diff --git a/vendor/backbone/backbone.js b/vendor/backbone/backbone.js
index cfa836155..9796cc04f 100644
--- a/vendor/backbone/backbone.js
+++ b/vendor/backbone/backbone.js
@@ -18,8 +18,10 @@
   // restored later on, if `noConflict` is used.
   var previousBackbone = root.Backbone;
 
-  // Create a local reference to splice.
-  var splice = Array.prototype.splice;
+  // Create a local reference to array methods.
+  var ArrayProto = Array.prototype;
+  var slice = ArrayProto.slice;
+  var splice = ArrayProto.splice;
 
   // The top-level namespace. All public Backbone classes and modules will
   // be attached to this. Exported for both CommonJS and the browser.
@@ -866,7 +868,9 @@
   // Mix in each Underscore method as a proxy to `Collection#models`.
   _.each(methods, function(method) {
     Collection.prototype[method] = function() {
-      return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
+      var args = slice.call(arguments);
+      args.unshift(this.models);
+      return _[method].apply(_, args);
     };
   });
 
@@ -961,9 +965,12 @@
     this.history = options && options.history || root.history;
   };
 
-  // Cached regex for cleaning leading hashes and slashes .
+  // Cached regex for cleaning leading hashes and slashes.
   var routeStripper = /^[#\/]/;
 
+  // Cached regex for stripping leading and trailing slashes.
+  var rootStripper = /^\/+|\/+$/g;
+
   // Cached regex for detecting MSIE.
   var isExplorer = /msie [\w.]+/;
 
@@ -993,7 +1000,7 @@
       if (fragment == null) {
         if (this._hasPushState || !this._wantsHashChange || forcePushState) {
           fragment = this.location.pathname;
-          var root = this.options.root.replace(trailingSlash, '');
+          var root = this.root.replace(trailingSlash, '');
           if (!fragment.indexOf(root)) fragment = fragment.substr(root.length);
         } else {
           fragment = this.getHash();
@@ -1011,6 +1018,7 @@
       // Figure out the initial configuration. Do we need an iframe?
       // Is pushState desired ... is it available?
       this.options          = _.extend({}, {root: '/'}, this.options, options);
+      this.root             = this.options.root;
       this._wantsHashChange = this.options.hashChange !== false;
       this._wantsPushState  = !!this.options.pushState;
       this._hasPushState    = !!(this.options.pushState && this.history && this.history.pushState);
@@ -1018,8 +1026,8 @@
       var docMode           = document.documentMode;
       var oldIE             = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
 
-      // Normalize root to always include trailing slash
-      if (!trailingSlash.test(this.options.root)) this.options.root += '/';
+      // Normalize root to always include a leading and trailing slash.
+      this.root = ('/' + this.root + '/').replace(rootStripper, '/');
 
       if (oldIE && this._wantsHashChange) {
         this.iframe = Backbone.$('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
@@ -1040,13 +1048,13 @@
       // opened by a non-pushState browser.
       this.fragment = fragment;
       var loc = this.location;
-      var atRoot = (loc.pathname.replace(/[^/]$/, '$&/') === this.options.root) && !loc.search;
+      var atRoot = (loc.pathname.replace(/[^/]$/, '$&/') === this.root) && !loc.search;
 
       // If we've started off with a route from a `pushState`-enabled browser,
       // but we're currently in a browser that doesn't support it...
       if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
         this.fragment = this.getFragment(null, true);
-        this.location.replace(this.options.root + this.location.search + '#' + this.fragment);
+        this.location.replace(this.root + this.location.search + '#' + this.fragment);
         // Return immediately as browser will do redirect to new url
         return true;
 
@@ -1054,7 +1062,7 @@
       // in a browser where it could be `pushState`-based instead...
       } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
         this.fragment = this.getHash().replace(routeStripper, '');
-        this.history.replaceState({}, document.title, loc.protocol + '//' + loc.host + this.options.root + this.fragment);
+        this.history.replaceState({}, document.title, this.root + this.fragment);
       }
 
       if (!this.options.silent) return this.loadUrl();
@@ -1113,7 +1121,7 @@
       var frag = (fragment || '').replace(routeStripper, '');
       if (this.fragment === frag) return;
       this.fragment = frag;
-      var url = (frag.indexOf(this.options.root) !== 0 ? this.options.root : '') + frag;
+      var url = (frag.indexOf(this.root) !== 0 ? this.root : '') + frag;
 
       // If pushState is available, we use it to set the fragment as a real URL.
       if (this._hasPushState) {
@@ -1434,7 +1442,7 @@
     return child;
   };
 
-  // Set up inheritance for the model, collection, and view.
+  // Set up inheritance for the model, collection, router, and view.
   Model.extend = Collection.extend = Router.extend = View.extend = extend;
 
   // Throw an error when a URL is needed, and none is supplied.
diff --git a/vendor/backbone/test/router.js b/vendor/backbone/test/router.js
index 56d8a10d4..95ebe49bb 100644
--- a/vendor/backbone/test/router.js
+++ b/vendor/backbone/test/router.js
@@ -344,7 +344,7 @@ $(document).ready(function() {
       history: {
         pushState: function(state, title, url) {},
         replaceState: function(state, title, url) {
-          strictEqual(url, 'http://example.com/root/fragment');
+          strictEqual(url, '/root/fragment');
         }
       }
     });
@@ -365,4 +365,88 @@ $(document).ready(function() {
     });
   });
 
+  test("Normalize root - leading slash.", 1, function() {
+    Backbone.history.stop();
+    location.replace('http://example.com/root');
+    Backbone.history = new Backbone.History({
+      location: location,
+      history: {
+        pushState: function(){},
+        replaceState: function(){}
+      }
+    });
+    Backbone.history.start({root: 'root'});
+    strictEqual(Backbone.history.root, '/root/');
+  });
+
+  test("Transition from hashChange to pushState.", 1, function() {
+    Backbone.history.stop();
+    location.replace('http://example.com/root#x/y');
+    Backbone.history = new Backbone.History({
+      location: location,
+      history: {
+        pushState: function(){},
+        replaceState: function(state, title, url){
+          strictEqual(url, '/root/x/y');
+        }
+      }
+    });
+    Backbone.history.start({
+      root: 'root',
+      pushState: true
+    });
+  });
+
+  test("#1619: Router: Normalize empty root", 1, function() {
+    Backbone.history.stop();
+    location.replace('http://example.com/');
+    Backbone.history = new Backbone.History({
+      location: location,
+      history: {
+        pushState: function(){},
+        replaceState: function(){}
+      }
+    });
+    Backbone.history.start({root: ''});
+    strictEqual(Backbone.history.root, '/');
+  });
+
+  test("#1619: Router: nagivate with empty root", 1, function() {
+    Backbone.history.stop();
+    location.replace('http://example.com/');
+    Backbone.history = new Backbone.History({
+      location: location,
+      history: {
+        pushState: function(state, title, url) {
+          strictEqual(url, '/fragment');
+        }
+      }
+    });
+    Backbone.history.start({
+      pushState: true,
+      root: '',
+      hashChange: false
+    });
+    Backbone.history.navigate('fragment');
+  });
+
+  test("Transition from pushState to hashChange.", 1, function() {
+    Backbone.history.stop();
+    location.replace('http://example.com/root/x/y?a=b');
+    location.replace = function(url) {
+      strictEqual(url, '/root/?a=b#x/y');
+    };
+    Backbone.history = new Backbone.History({
+      location: location,
+      history: {
+        pushState: null,
+        replaceState: null
+      }
+    });
+    Backbone.history.start({
+      root: 'root',
+      pushState: true
+    });
+  });
+
 });
diff --git a/vendor/docdown/src/DocDown/Alias.php b/vendor/docdown/src/DocDown/Alias.php
new file mode 100644
index 000000000..1f9521e1b
--- /dev/null
+++ b/vendor/docdown/src/DocDown/Alias.php
@@ -0,0 +1,204 @@
+<?php
+
+/**
+ * A class to represent a JSDoc entry alias.
+ */
+class Alias {
+
+  /**
+   * The alias owner.
+   *
+   * @memberOf Alias
+   * @type Object
+   */
+  public $owner;
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * The Alias constructor.
+   *
+   * @constructor
+   * @param {String} $name The alias name.
+   * @param {Object} $owner The alias owner.
+   */
+  public function __construct($name, $owner) {
+    $this->owner = $owner;
+    $this->_name = $name;
+    $this->_call = $owner->getCall();
+    $this->_desc = $owner->getDesc();
+    $this->_example = $owner->getExample();
+    $this->_lineNumber = $owner->getLineNumber();
+    $this->_members = $owner->getMembers();
+    $this->_params = $owner->getParams();
+    $this->_returns = $owner->getReturns();
+    $this->_type = $owner->getType();
+    $this->_isCtor = $owner->isCtor();
+    $this->_isPlugin = $owner->isPlugin();
+    $this->_isPrivate = $owner->isPrivate();
+    $this->_isStatic = $owner->isStatic();
+  }
+
+  /*--------------------------------------------------------------------------*/
+
+  /**
+   * Extracts the entry's `alias` objects.
+   *
+   * @memberOf Alias
+   * @param {Number} $index The index of the array value to return.
+   * @returns {Array|String} The entry's `alias` objects.
+   */
+  public function getAliases( $index = null ) {
+    $result = array();
+    return $index !== null
+      ? @$result[$index]
+      : $result;
+  }
+
+  /**
+   * Extracts the function call from the owner entry.
+   *
+   * @memberOf Alias
+   * @returns {String} The function call.
+   */
+  public function getCall() {
+    return $this->_call;
+  }
+
+  /**
+   * Extracts the owner entry's description.
+   *
+   * @memberOf Alias
+   * @returns {String} The owner entry's description.
+   */
+  public function getDesc() {
+    return $this->_desc;
+  }
+
+  /**
+   * Extracts the owner entry's `example` data.
+   *
+   * @memberOf Alias
+   * @returns {String} The owner entry's `example` data.
+   */
+  public function getExample() {
+    return $this->_example;
+  }
+
+  /**
+   * Resolves the owner entry's line number.
+   *
+   * @memberOf Alias
+   * @returns {Number} The owner entry's line number.
+   */
+  public function getLineNumber() {
+    return $this->_lineNumber;
+  }
+
+  /**
+   * Extracts the owner entry's `member` data.
+   *
+   * @memberOf Alias
+   * @param {Number} $index The index of the array value to return.
+   * @returns {Array|String} The owner entry's `member` data.
+   */
+  public function getMembers( $index = null ) {
+    return $index !== null
+      ? @$this->_members[$index]
+      : $this->_members;
+  }
+
+  /**
+   * Extracts the owner entry's `name` data.
+   *
+   * @memberOf Alias
+   * @returns {String} The owner entry's `name` data.
+   */
+  public function getName() {
+    return $this->_name;
+  }
+
+  /**
+   * Extracts the owner entry's `param` data.
+   *
+   * @memberOf Alias
+   * @param {Number} $index The index of the array value to return.
+   * @returns {Array} The owner entry's `param` data.
+   */
+  public function getParams( $index = null ) {
+    return $index !== null
+      ? @$this->_params[$index]
+      : $this->_params;
+  }
+
+  /**
+   * Extracts the owner entry's `returns` data.
+   *
+   * @memberOf Alias
+   * @returns {String} The owner entry's `returns` data.
+   */
+  public function getReturns() {
+    return $this->_returns;
+  }
+
+  /**
+   * Extracts the owner entry's `type` data.
+   *
+   * @memberOf Alias
+   * @returns {String} The owner entry's `type` data.
+   */
+  public function getType() {
+    return $this->_type;
+  }
+
+  /**
+   * Checks if the entry is an alias.
+   *
+   * @memberOf Alias
+   * @returns {Boolean} Returns `true`.
+   */
+  public function isAlias() {
+    return true;
+  }
+
+  /**
+   * Checks if the owner entry is a constructor.
+   *
+   * @memberOf Alias
+   * @returns {Boolean} Returns `true` if a constructor, else `false`.
+   */
+  public function isCtor() {
+    return $this->_isCtor;
+  }
+
+  /**
+   * Checks if the owner entry *is* assigned to a prototype.
+   *
+   * @memberOf Alias
+   * @returns {Boolean} Returns `true` if assigned to a prototype, else `false`.
+   */
+  public function isPlugin() {
+    return $this->_isPlugin;
+  }
+
+  /**
+   * Checks if the owner entry is private.
+   *
+   * @memberOf Alias
+   * @returns {Boolean} Returns `true` if private, else `false`.
+   */
+  public function isPrivate() {
+    return $this->_isPrivate;
+  }
+
+  /**
+   * Checks if the owner entry is *not* assigned to a prototype.
+   *
+   * @memberOf Alias
+   * @returns {Boolean} Returns `true` if not assigned to a prototype, else `false`.
+   */
+  public function isStatic() {
+    return $this->_isStatic;
+  }
+}
+?>
\ No newline at end of file
diff --git a/vendor/docdown/src/DocDown/Entry.php b/vendor/docdown/src/DocDown/Entry.php
index d312dd16a..6cd78d713 100644
--- a/vendor/docdown/src/DocDown/Entry.php
+++ b/vendor/docdown/src/DocDown/Entry.php
@@ -1,5 +1,7 @@
 <?php
 
+require(dirname(__FILE__) . "/Alias.php");
+
 /**
  * A class to simplify parsing a single JSDoc entry.
  */
@@ -37,7 +39,7 @@ class Entry {
    * @constructor
    * @param {String} $entry The documentation entry to analyse.
    * @param {String} $source The source code.
-   * @param {String} $lang The language highlighter used for code examples.
+   * @param {String} [$lang ='js'] The language highlighter used for code examples.
    */
   public function __construct( $entry, $source, $lang = 'js' ) {
     $this->entry = $entry;
@@ -70,16 +72,45 @@ class Entry {
    * @returns {Boolean} Returns `true` if the entry is a function reference, else `false`.
    */
   private function isFunction() {
-    return !!(
-      $this->isCtor() ||
-      count($this->getParams()) ||
-      count($this->getReturns()) ||
-      preg_match('/\*\s*@function\b/', $this->entry)
-    );
+    if (!isset($this->_isFunction)) {
+      $this->_isFunction = !!(
+        $this->isCtor() ||
+        count($this->getParams()) ||
+        count($this->getReturns()) ||
+        preg_match('/\*\s*@function\b/', $this->entry)
+      );
+    }
+    return $this->_isFunction;
   }
 
   /*--------------------------------------------------------------------------*/
 
+  /**
+   * Extracts the entry's `alias` objects.
+   *
+   * @memberOf Entry
+   * @param {Number} $index The index of the array value to return.
+   * @returns {Array|String} The entry's `alias` objects.
+   */
+  public function getAliases( $index = null ) {
+    if (!isset($this->_aliases)) {
+      preg_match('#\*\s*@alias\s+([^\n]+)#', $this->entry, $result);
+
+      if (count($result)) {
+        $result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
+        $result = preg_split('/,\s*/', $result);
+
+        foreach ($result as $resultIndex => $value) {
+          $result[$resultIndex] = new Alias($value, $this);
+        }
+      }
+      $this->_aliases = $result;
+    }
+    return $index !== null
+      ? @$this->_aliases[$index]
+      : $this->_aliases;
+  }
+
   /**
    * Extracts the function call from the entry.
    *
@@ -87,6 +118,10 @@ class Entry {
    * @returns {String} The function call.
    */
   public function getCall() {
+    if (isset($this->_call)) {
+      return $this->_call;
+    }
+
     preg_match('#\*/\s*(?:function ([^(]*)|(.*?)(?=[:=,]|return\b))#', $this->entry, $result);
     if ($result = array_pop($result)) {
       $result = array_pop(explode('var ', trim(trim(array_pop(explode('.', $result))), "'")));
@@ -111,176 +146,239 @@ class Entry {
       $result = $name .'('. implode(array_slice($result, 1), ', ') .')';
       $result = str_replace(', [', ' [, ', str_replace('], [', ', ', $result));
     }
-    return $result ? $result : $name;
+
+    $this->_call = $result ? $result : $name;
+    return $this->_call;
   }
 
   /**
-   * Extracts the entry description.
+   * Extracts the entry's description.
    *
    * @memberOf Entry
-   * @returns {String} The entry description.
+   * @returns {String} The entry's description.
    */
   public function getDesc() {
+    if (isset($this->_desc)) {
+      return $this->_desc;
+    }
+
     preg_match('#/\*\*(?:\s*\*)?([\s\S]*?)(?=\*\s\@[a-z]|\*/)#', $this->entry, $result);
     if (count($result)) {
       $type = $this->getType();
       $result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
       $result = ($type == 'Function' ? '' : '(' . str_replace('|', ', ', trim($type, '{}')) . '): ') . $result;
     }
+    $this->_desc = $result;
     return $result;
   }
 
   /**
-   * Extracts the entry `example` data.
+   * Extracts the entry's `example` data.
    *
    * @memberOf Entry
-   * @returns {String} The entry `example` data.
+   * @returns {String} The entry's `example` data.
    */
   public function getExample() {
+    if (isset($this->_example)) {
+      return $this->_example;
+    }
+
     preg_match('#\*\s*@example\s+([\s\S]*?)(?=\*\s\@[a-z]|\*/)#', $this->entry, $result);
     if (count($result)) {
       $result = trim(preg_replace('/(?:^|\n)\s*\* ?/', "\n", $result[1]));
       $result = '```' . $this->lang . "\n" . $result . "\n```";
     }
+    $this->_example = $result;
     return $result;
   }
 
   /**
-   * Resolves the line number of the entry.
+   * Resolves the entry's line number.
    *
    * @memberOf Entry
-   * @returns {Number} The line number.
+   * @returns {Number} The entry's line number.
    */
   public function getLineNumber() {
-    preg_match_all('/\n/', substr($this->source, 0, strrpos($this->source, $this->entry) + strlen($this->entry)), $lines);
-    return count(array_pop($lines)) + 1;
+    if (!isset($this->_lineNumber)) {
+      preg_match_all('/\n/', substr($this->source, 0, strrpos($this->source, $this->entry) + strlen($this->entry)), $lines);
+      $this->_lineNumber = count(array_pop($lines)) + 1;
+    }
+    return $this->_lineNumber;
   }
 
   /**
-   * Extracts the entry `member` data.
+   * Extracts the entry's `member` data.
    *
    * @memberOf Entry
    * @param {Number} $index The index of the array value to return.
-   * @returns {Array|String} The entry `member` data.
+   * @returns {Array|String} The entry's `member` data.
    */
   public function getMembers( $index = null ) {
-    preg_match('#\*\s*@member(?:Of)?\s+([^\n]+)#', $this->entry, $result);
-    if (count($result)) {
-      $result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
-      $result = preg_split('/,\s*/', $result);
+    if (!isset($this->_members)) {
+      preg_match('#\*\s*@member(?:Of)?\s+([^\n]+)#', $this->entry, $result);
+      if (count($result)) {
+        $result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
+        $result = preg_split('/,\s*/', $result);
+      }
+      $this->_members = $result;
     }
-    return $index !== null ? @$result[$index] : $result;
+    return $index !== null
+      ? @$this->_members[$index]
+      : $this->_members;
   }
 
   /**
-   * Extracts the entry `name` data.
+   * Extracts the entry's `name` data.
    *
    * @memberOf Entry
-   * @returns {String} The entry `name` data.
+   * @returns {String} The entry's `name` data.
    */
   public function getName() {
+    if (isset($this->_name)) {
+      return $this->_name;
+    }
+
     preg_match('#\*\s*@name\s+([^\n]+)#', $this->entry, $result);
     if (count($result)) {
       $result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
     } else {
       $result = array_shift(explode('(', $this->getCall()));
     }
+    $this->_name = $result;
     return $result;
   }
 
   /**
-   * Extracts the entry `param` data.
+   * Extracts the entry's `param` data.
    *
    * @memberOf Entry
    * @param {Number} $index The index of the array value to return.
-   * @returns {Array} The entry `param` data.
+   * @returns {Array} The entry's `param` data.
    */
   public function getParams( $index = null ) {
-    preg_match_all('#\*\s*@param\s+\{([^}]+)\}\s+(\[.+\]|[$\w|]+(?:\[.+\])?)\s+([\s\S]*?)(?=\*\s\@[a-z]|\*/)#i', $this->entry, $result);
-    if (count($result = array_filter(array_slice($result, 1)))) {
-      // repurpose array
-      foreach ($result as $param) {
-        foreach ($param as $key => $value) {
-          if (!is_array($result[0][$key])) {
-            $result[0][$key] = array();
+    if (!isset($this->_params)) {
+      preg_match_all('#\*\s*@param\s+\{([^}]+)\}\s+(\[.+\]|[$\w|]+(?:\[.+\])?)\s+([\s\S]*?)(?=\*\s\@[a-z]|\*/)#i', $this->entry, $result);
+      if (count($result = array_filter(array_slice($result, 1)))) {
+        // repurpose array
+        foreach ($result as $param) {
+          foreach ($param as $key => $value) {
+            if (!is_array($result[0][$key])) {
+              $result[0][$key] = array();
+            }
+            $result[0][$key][] = trim(preg_replace('/(?:^|\n)\s*\* */', ' ', $value));
           }
-          $result[0][$key][] = trim(preg_replace('/(?:^|\n)\s*\* */', ' ', $value));
         }
+        $result = $result[0];
       }
-      $result = $result[0];
+      $this->_params = $result;
     }
-    return $index !== null ? @$result[$index] : $result;
+    return $index !== null
+      ? @$this->_params[$index]
+      : $this->_params;
   }
 
   /**
-   * Extracts the entry `returns` data.
+   * Extracts the entry's `returns` data.
    *
    * @memberOf Entry
-   * @returns {String} The entry `returns` data.
+   * @returns {String} The entry's `returns` data.
    */
   public function getReturns() {
+    if (isset($this->_returns)) {
+      return $this->_returns;
+    }
+
     preg_match('#\*\s*@returns\s+\{([^}]+)\}\s+([\s\S]*?)(?=\*\s\@[a-z]|\*/)#', $this->entry, $result);
     if (count($result)) {
       $result = array_map('trim', array_slice($result, 1));
       $result[0] = str_replace('|', ', ', $result[0]);
       $result[1] = preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]);
     }
+    $this->_returns = $result;
     return $result;
   }
 
   /**
-   * Extracts the entry `type` data.
+   * Extracts the entry's `type` data.
    *
    * @memberOf Entry
-   * @returns {String} The entry `type` data.
+   * @returns {String} The entry's `type` data.
    */
   public function getType() {
+    if (isset($this->_type)) {
+      return $this->_type;
+    }
+
     preg_match('#\*\s*@type\s+([^\n]+)#', $this->entry, $result);
     if (count($result)) {
       $result = trim(preg_replace('/(?:^|\n)\s*\* ?/', ' ', $result[1]));
     } else {
       $result = $this->isFunction() ? 'Function' : 'Unknown';
     }
+    $this->_type = $result;
     return $result;
   }
 
   /**
-   * Checks if an entry is a constructor.
+   * Checks if the entry is an alias.
    *
    * @memberOf Entry
-   * @returns {Boolean} Returns true if a constructor, else false.
+   * @returns {Boolean} Returns `false`.
+   */
+  public function isAlias() {
+    return false;
+  }
+
+  /**
+   * Checks if the entry is a constructor.
+   *
+   * @memberOf Entry
+   * @returns {Boolean} Returns `true` if a constructor, else `false`.
    */
   public function isCtor() {
-    return !!preg_match('/\*\s*@constructor\b/', $this->entry);
+    if (!isset($this->_isCtor)) {
+      $this->_isCtor = !!preg_match('/\*\s*@constructor\b/', $this->entry);
+    }
+    return $this->_isCtor;
   }
 
   /**
-   * Checks if an entry *is* assigned to a prototype.
+   * Checks if the entry *is* assigned to a prototype.
    *
    * @memberOf Entry
-   * @returns {Boolean} Returns true if assigned to a prototype, else false.
+   * @returns {Boolean} Returns `true` if assigned to a prototype, else `false`.
    */
   public function isPlugin() {
-    return !$this->isCtor() && !$this->isPrivate() && !$this->isStatic();
+    if (!isset($this->_isPlugin)) {
+      $this->_isPlugin = !$this->isCtor() && !$this->isPrivate() && !$this->isStatic();
+    }
+    return $this->_isPlugin;
   }
 
   /**
-   * Checks if an entry is private.
+   * Checks if the entry is private.
    *
    * @memberOf Entry
-   * @returns {Boolean} Returns true if private, else false.
+   * @returns {Boolean} Returns `true` if private, else `false`.
    */
   public function isPrivate() {
-    return !!preg_match('/\*\s*@private\b/', $this->entry) || strrpos($this->entry, '@') === false;
+    if (!isset($this->_isPrivate)) {
+      $this->_isPrivate = !!preg_match('/\*\s*@private\b/', $this->entry) || strrpos($this->entry, '@') === false;
+    }
+    return $this->_isPrivate;
   }
 
   /**
-   * Checks if an entry is *not* assigned to a prototype.
+   * Checks if the entry is *not* assigned to a prototype.
    *
    * @memberOf Entry
-   * @returns {Boolean} Returns true if not assigned to a prototype, else false.
+   * @returns {Boolean} Returns `true` if not assigned to a prototype, else `false`.
    */
   public function isStatic() {
+    if (isset($this->_isStatic)) {
+      return $this->_isStatic;
+    }
+
     $public = !$this->isPrivate();
     $result = $public && !!preg_match('/\*\s*@static\b/', $this->entry);
 
@@ -298,6 +396,7 @@ class Entry {
         $result = true;
       }
     }
+    $this->_isStatic = $result;
     return $result;
   }
 }
diff --git a/vendor/docdown/src/DocDown/Generator.php b/vendor/docdown/src/DocDown/Generator.php
index ebf4aa18d..fd28478f8 100644
--- a/vendor/docdown/src/DocDown/Generator.php
+++ b/vendor/docdown/src/DocDown/Generator.php
@@ -221,22 +221,39 @@ class Generator {
         foreach ($members as $member) {
           // create api category arrays
           if (!isset($api[$member]) && $member) {
+            // create temporary entry to be replaced later
             $api[$member] = new Entry('', '', $entry->lang);
             $api[$member]->static = array();
             $api[$member]->plugin = array();
           }
+
           // append entry to api category
           if (!$member || $entry->isCtor() || ($entry->getType() == 'Object' &&
               !preg_match('/[=:]\s*null\s*[,;]?$/', $entry->entry))) {
+
+            // assign the real entry, replacing the temporary entry if it exist
             $member = ($member ? $member . ($entry->isPlugin() ? '#' : '.') : '') . $name;
             $entry->static = @$api[$member] ? $api[$member]->static : array();
             $entry->plugin = @$api[$member] ? $api[$member]->plugin : array();
-            $api[$member]  = $entry;
+
+            $api[$member] = $entry;
+            foreach ($entry->getAliases() as $alias) {
+              $api[$member] = $alias;
+              $alias->static = array();
+              $alias->plugin = array();
+            }
           }
           else if ($entry->isStatic()) {
             $api[$member]->static[] = $entry;
-          } else if (!$entry->isCtor()) {
+            foreach ($entry->getAliases() as $alias) {
+              $api[$member]->static[] = $alias;
+            }
+          }
+          else if (!$entry->isCtor()) {
             $api[$member]->plugin[] = $entry;
+            foreach ($entry->getAliases() as $alias) {
+              $api[$member]->plugin[] = $alias;
+            }
           }
         }
       }
@@ -346,6 +363,11 @@ class Generator {
     $result[] = $openTag;
 
     foreach ($api as $entry) {
+      // skip aliases
+      if ($entry->isAlias()) {
+        continue;
+      }
+
       // add root entry
       $member = $entry->member . $entry->getName();
       $compiling = $compiling ? ($result[] = $closeTag) : true;
@@ -370,6 +392,11 @@ class Generator {
 
         // body
         foreach ($subentries as $subentry) {
+          // skip aliases
+          if ($subentry->isAlias()) {
+            continue;
+          }
+
           // description
           array_push(
             $result,
@@ -377,6 +404,14 @@ class Generator {
             Generator::interpolate("### <a id=\"#{hash}\"></a>`#{member}#{separator}#{call}`\n<a href=\"##{hash}\">#</a> [&#x24C8;](#{href} \"View in source\") [&#x24C9;][1]\n\n#{desc}", $subentry)
           );
 
+          // @alias
+          if (count($aliases = $subentry->getAliases())) {
+            array_push($result, '', '#### Aliases');
+            foreach ($aliases as $index => $alias) {
+              $aliases[$index] = $alias->getName();
+            }
+            $result[] = implode(', ', $aliases);
+          }
           // @param
           if (count($params = $subentry->getParams())) {
             array_push($result, '', '#### Arguments');
diff --git a/vendor/qunit/README.md b/vendor/qunit/README.md
index 3778a27b4..57ff29e1f 100644
--- a/vendor/qunit/README.md
+++ b/vendor/qunit/README.md
@@ -1,4 +1,4 @@
-[QUnit](http://docs.jquery.com/QUnit) - A JavaScript Unit Testing framework.
+[QUnit](http://qunitjs.com) - A JavaScript Unit Testing framework.
 ================================
 
 QUnit is a powerful, easy-to-use, JavaScript test suite. It's used by the jQuery
@@ -35,7 +35,8 @@ the change, run `grunt` to lint and test it, then commit, push and create a pull
 Include some background for the change in the commit message and `Fixes #nnn`, referring
 to the issue number you're addressing.
 
-To run `grunt`, you need `node` and `npm`, then `npm install grunt -g`.
+To run `grunt`, you need `node` and `npm`, then `npm install grunt -g`. That gives you a global
+grunt binary. For additional grunt tasks, also run `npm install`.
 
 Releases
 --------
@@ -47,3 +48,12 @@ tag, update them again to the next version, commit and push commits and tags
 
 Put the 'v' in front of the tag, e.g. `v1.8.0`. Clean up the changelog, removing merge commits
 or whitespace cleanups.
+
+To upload to code.jquery.com (replace $version accordingly):
+
+	scp -q qunit/qunit.js jqadmin@code.origin.jquery.com:/var/www/html/code.jquery.com/qunit/qunit-$version.js
+	scp -q qunit/qunit.css jqadmin@code.origin.jquery.com:/var/www/html/code.jquery.com/qunit/qunit-$version.css
+
+Then update /var/www/html/code.jquery.com/index.html and purge it with:
+
+	curl -s http://code.origin.jquery.com/?reload
\ No newline at end of file
diff --git a/vendor/qunit/qunit/qunit.css b/vendor/qunit/qunit/qunit.css
index 257b224ff..55970e006 100644
--- a/vendor/qunit/qunit/qunit.css
+++ b/vendor/qunit/qunit/qunit.css
@@ -1,11 +1,11 @@
 /**
- * QUnit v1.9.0 - A JavaScript Unit Testing Framework
+ * QUnit v1.10.0 - A JavaScript Unit Testing Framework
  *
- * http://docs.jquery.com/QUnit
+ * http://qunitjs.com
  *
- * Copyright (c) 2012 John Resig, Jörn Zaefferer
- * Dual licensed under the MIT (MIT-LICENSE.txt)
- * or GPL (GPL-LICENSE.txt) licenses.
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
  */
 
 /** Font Family and Sizes */
@@ -20,7 +20,7 @@
 
 /** Resets */
 
-#qunit-tests, #qunit-tests ol, #qunit-header, #qunit-banner, #qunit-userAgent, #qunit-testresult {
+#qunit-tests, #qunit-tests ol, #qunit-header, #qunit-banner, #qunit-userAgent, #qunit-testresult, #qunit-modulefilter {
 	margin: 0;
 	padding: 0;
 }
@@ -67,6 +67,7 @@
 	padding: 0.5em 0 0.5em 2em;
 	color: #5E740B;
 	background-color: #eee;
+	overflow: hidden;
 }
 
 #qunit-userAgent {
@@ -76,6 +77,9 @@
 	text-shadow: rgba(0, 0, 0, 0.5) 2px 2px 1px;
 }
 
+#qunit-modulefilter-container {
+	float: right;
+}
 
 /** Tests: Pass/Fail */
 
diff --git a/vendor/qunit/qunit/qunit.js b/vendor/qunit/qunit/qunit.js
index 9efedcb44..d4f17b5ae 100644
--- a/vendor/qunit/qunit/qunit.js
+++ b/vendor/qunit/qunit/qunit.js
@@ -1,11 +1,11 @@
 /**
- * QUnit v1.9.0 - A JavaScript Unit Testing Framework
+ * QUnit v1.10.0 - A JavaScript Unit Testing Framework
  *
- * http://docs.jquery.com/QUnit
+ * http://qunitjs.com
  *
- * Copyright (c) 2012 John Resig, Jörn Zaefferer
- * Dual licensed under the MIT (MIT-LICENSE.txt)
- * or GPL (GPL-LICENSE.txt) licenses.
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
  */
 
 (function( window ) {
@@ -17,6 +17,8 @@ var QUnit,
 	fileName = (sourceFromStacktrace( 0 ) || "" ).replace(/(:\d+)+\)?/, "").replace(/.+\//, ""),
 	toString = Object.prototype.toString,
 	hasOwn = Object.prototype.hasOwnProperty,
+	// Keep a local reference to Date (GH-283)
+	Date = window.Date,
 	defined = {
 	setTimeout: typeof window.setTimeout !== "undefined",
 	sessionStorage: (function() {
@@ -304,7 +306,8 @@ QUnit = {
 	// call on start of module test to prepend name to all tests
 	module: function( name, testEnvironment ) {
 		config.currentModule = name;
-		config.currentModuleTestEnviroment = testEnvironment;
+		config.currentModuleTestEnvironment = testEnvironment;
+		config.modules[name] = true;
 	},
 
 	asyncTest: function( testName, expected, callback ) {
@@ -336,7 +339,7 @@ QUnit = {
 			async: async,
 			callback: callback,
 			module: config.currentModule,
-			moduleTestEnvironment: config.currentModuleTestEnviroment,
+			moduleTestEnvironment: config.currentModuleTestEnvironment,
 			stack: sourceFromStacktrace( 2 )
 		});
 
@@ -349,7 +352,11 @@ QUnit = {
 
 	// Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
 	expect: function( asserts ) {
-		config.current.expected = asserts;
+		if (arguments.length === 1) {
+			config.current.expected = asserts;
+		} else {
+			return config.current.expected;
+		}
 	},
 
 	start: function( count ) {
@@ -415,6 +422,8 @@ QUnit.assert = {
 
 		var source,
 			details = {
+				module: config.current.module,
+				name: config.current.testName,
 				result: result,
 				message: msg
 			};
@@ -600,6 +609,9 @@ config = {
 		}
 	],
 
+	// Set of all modules.
+	modules: {},
+
 	// logging callback queues
 	begin: [],
 	done: [],
@@ -710,17 +722,10 @@ extend( QUnit, {
 	},
 
 	// Resets the test setup. Useful for tests that modify the DOM.
-	// If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
 	reset: function() {
-		var fixture;
-
-		if ( window.jQuery ) {
-			jQuery( "#qunit-fixture" ).html( config.fixture );
-		} else {
-			fixture = id( "qunit-fixture" );
-			if ( fixture ) {
-				fixture.innerHTML = config.fixture;
-			}
+		var fixture = id( "qunit-fixture" );
+		if ( fixture ) {
+			fixture.innerHTML = config.fixture;
 		}
 	},
 
@@ -781,6 +786,8 @@ extend( QUnit, {
 
 		var output, source,
 			details = {
+				module: config.current.module,
+				name: config.current.testName,
 				result: result,
 				message: message,
 				actual: actual,
@@ -826,6 +833,8 @@ extend( QUnit, {
 
 		var output,
 			details = {
+				module: config.current.module,
+				name: config.current.testName,
 				result: false,
 				message: message
 			};
@@ -916,7 +925,9 @@ QUnit.load = function() {
 	runLoggingCallbacks( "begin", QUnit, {} );
 
 	// Initialize the config, saving the execution queue
-	var banner, filter, i, label, len, main, ol, toolbar, userAgent, val, urlConfigCheckboxes,
+	var banner, filter, i, label, len, main, ol, toolbar, userAgent, val, urlConfigCheckboxes, moduleFilter,
+	    numModules = 0,
+	    moduleFilterHtml = "",
 		urlConfigHtml = "",
 		oldconfig = extend( {}, config );
 
@@ -940,6 +951,15 @@ QUnit.load = function() {
 		urlConfigHtml += "<input id='qunit-urlconfig-" + val.id + "' name='" + val.id + "' type='checkbox'" + ( config[ val.id ] ? " checked='checked'" : "" ) + " title='" + val.tooltip + "'><label for='qunit-urlconfig-" + val.id + "' title='" + val.tooltip + "'>" + val.label + "</label>";
 	}
 
+	moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label><select id='qunit-modulefilter' name='modulefilter'><option value='' " + ( config.module === undefined  ? "selected" : "" ) + ">< All Modules ></option>";
+	for ( i in config.modules ) {
+		if ( config.modules.hasOwnProperty( i ) ) {
+			numModules += 1;
+			moduleFilterHtml += "<option value='" + encodeURIComponent(i) + "' " + ( config.module === i ? "selected" : "" ) + ">" + i + "</option>";
+		}
+	}
+	moduleFilterHtml += "</select>";
+
 	// `userAgent` initialized at top of scope
 	userAgent = id( "qunit-userAgent" );
 	if ( userAgent ) {
@@ -1002,6 +1022,19 @@ QUnit.load = function() {
 			window.location = QUnit.url( params );
 		});
 		toolbar.appendChild( urlConfigCheckboxes );
+
+		if (numModules > 1) {
+			moduleFilter = document.createElement( 'span' );
+			moduleFilter.setAttribute( 'id', 'qunit-modulefilter-container' );
+			moduleFilter.innerHTML = moduleFilterHtml;
+			addEvent( moduleFilter, "change", function() {
+				var selectBox = moduleFilter.getElementsByTagName("select")[0],
+				    selectedModule = decodeURIComponent(selectBox.options[selectBox.selectedIndex].value);
+
+				window.location = QUnit.url( { module: ( selectedModule === "" ) ? undefined : selectedModule } );
+			});
+			toolbar.appendChild(moduleFilter);
+		}
 	}
 
 	// `main` initialized at top of scope
@@ -1039,9 +1072,9 @@ window.onerror = function ( error, filePath, linerNr ) {
 			}
 			QUnit.pushFailure( error, filePath + ":" + linerNr );
 		} else {
-			QUnit.test( "global failure", function() {
+			QUnit.test( "global failure", extend( function() {
 				QUnit.pushFailure( error, filePath + ":" + linerNr );
-			});
+			}, { validTest: validTest } ) );
 		}
 		return false;
 	}
@@ -1108,6 +1141,11 @@ function done() {
 		}
 	}
 
+	// scroll back to top to show results
+	if ( window.scrollTo ) {
+		window.scrollTo(0, 0);
+	}
+
 	runLoggingCallbacks( "done", QUnit, {
 		failed: config.stats.bad,
 		passed: passed,
@@ -1123,6 +1161,12 @@ function validTest( test ) {
 		module = config.module && config.module.toLowerCase(),
 		fullName = (test.module + ": " + test.testName).toLowerCase();
 
+	// Internally-generated tests are always valid
+	if ( test.callback && test.callback.validTest === validTest ) {
+		delete test.callback.validTest;
+		return true;
+	}
+
 	if ( config.testNumber ) {
 		return test.testNumber === config.testNumber;
 	}
@@ -1404,7 +1448,8 @@ QUnit.equiv = (function() {
 						a.global === b.global &&
 						// (gmi) ...
 						a.ignoreCase === b.ignoreCase &&
-						a.multiline === b.multiline;
+						a.multiline === b.multiline &&
+						a.sticky === b.sticky;
 				},
 
 				// - skip when the property is a method of an instance (OOP)
diff --git a/vendor/underscore/test/utility.js b/vendor/underscore/test/utility.js
index c8ebc889b..f1a3a7d91 100644
--- a/vendor/underscore/test/utility.js
+++ b/vendor/underscore/test/utility.js
@@ -14,6 +14,12 @@ $(document).ready(function() {
 
   });
 
+  test("#750 - Return _ instance.", 2, function() {
+    var instance = _([]);
+    ok(_(instance) === instance);
+    ok(new _(instance) === instance);
+  });
+
   test("utility: identity", function() {
     var moe = {name : 'moe'};
     equal(_.identity(moe), moe, 'moe is the same as his identity');
@@ -229,4 +235,10 @@ $(document).ready(function() {
     templateEscaped({f: function(){ ok(!(countEscaped++)); }});
   });
 
+  test('#746 - _.template settings are not modified.', 1, function() {
+    var settings = {};
+    _.template('', null, settings);
+    deepEqual(settings, {});
+  });
+
 });
diff --git a/vendor/underscore/test/vendor/qunit.css b/vendor/underscore/test/vendor/qunit.css
index 5684a4485..55970e006 100644
--- a/vendor/underscore/test/vendor/qunit.css
+++ b/vendor/underscore/test/vendor/qunit.css
@@ -1,11 +1,11 @@
 /**
- * QUnit v1.8.0 - A JavaScript Unit Testing Framework
+ * QUnit v1.10.0 - A JavaScript Unit Testing Framework
  *
- * http://docs.jquery.com/QUnit
+ * http://qunitjs.com
  *
- * Copyright (c) 2012 John Resig, Jörn Zaefferer
- * Dual licensed under the MIT (MIT-LICENSE.txt)
- * or GPL (GPL-LICENSE.txt) licenses.
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
  */
 
 /** Font Family and Sizes */
@@ -20,7 +20,7 @@
 
 /** Resets */
 
-#qunit-tests, #qunit-tests ol, #qunit-header, #qunit-banner, #qunit-userAgent, #qunit-testresult {
+#qunit-tests, #qunit-tests ol, #qunit-header, #qunit-banner, #qunit-userAgent, #qunit-testresult, #qunit-modulefilter {
 	margin: 0;
 	padding: 0;
 }
@@ -38,10 +38,10 @@
 	line-height: 1em;
 	font-weight: normal;
 
-	border-radius: 15px 15px 0 0;
-	-moz-border-radius: 15px 15px 0 0;
-	-webkit-border-top-right-radius: 15px;
-	-webkit-border-top-left-radius: 15px;
+	border-radius: 5px 5px 0 0;
+	-moz-border-radius: 5px 5px 0 0;
+	-webkit-border-top-right-radius: 5px;
+	-webkit-border-top-left-radius: 5px;
 }
 
 #qunit-header a {
@@ -54,9 +54,9 @@
 	color: #fff;
 }
 
-#qunit-header label {
+#qunit-testrunner-toolbar label {
 	display: inline-block;
-	padding-left: 0.5em;
+	padding: 0 .5em 0 .1em;
 }
 
 #qunit-banner {
@@ -67,6 +67,7 @@
 	padding: 0.5em 0 0.5em 2em;
 	color: #5E740B;
 	background-color: #eee;
+	overflow: hidden;
 }
 
 #qunit-userAgent {
@@ -76,6 +77,9 @@
 	text-shadow: rgba(0, 0, 0, 0.5) 2px 2px 1px;
 }
 
+#qunit-modulefilter-container {
+	float: right;
+}
 
 /** Tests: Pass/Fail */
 
@@ -113,13 +117,9 @@
 
 	background-color: #fff;
 
-	border-radius: 15px;
-	-moz-border-radius: 15px;
-	-webkit-border-radius: 15px;
-
-	box-shadow: inset 0px 2px 13px #999;
-	-moz-box-shadow: inset 0px 2px 13px #999;
-	-webkit-box-shadow: inset 0px 2px 13px #999;
+	border-radius: 5px;
+	-moz-border-radius: 5px;
+	-webkit-border-radius: 5px;
 }
 
 #qunit-tests table {
@@ -162,8 +162,7 @@
 #qunit-tests b.failed                       { color: #710909; }
 
 #qunit-tests li li {
-	margin: 0.5em;
-	padding: 0.4em 0.5em 0.4em 0.5em;
+	padding: 5px;
 	background-color: #fff;
 	border-bottom: none;
 	list-style-position: inside;
@@ -172,9 +171,9 @@
 /*** Passing Styles */
 
 #qunit-tests li li.pass {
-	color: #5E740B;
+	color: #3c510c;
 	background-color: #fff;
-	border-left: 26px solid #C6E746;
+	border-left: 10px solid #C6E746;
 }
 
 #qunit-tests .pass                          { color: #528CE0; background-color: #D2E0E6; }
@@ -190,15 +189,15 @@
 #qunit-tests li li.fail {
 	color: #710909;
 	background-color: #fff;
-	border-left: 26px solid #EE5757;
+	border-left: 10px solid #EE5757;
 	white-space: pre;
 }
 
 #qunit-tests > li:last-child {
-	border-radius: 0 0 15px 15px;
-	-moz-border-radius: 0 0 15px 15px;
-	-webkit-border-bottom-right-radius: 15px;
-	-webkit-border-bottom-left-radius: 15px;
+	border-radius: 0 0 5px 5px;
+	-moz-border-radius: 0 0 5px 5px;
+	-webkit-border-bottom-right-radius: 5px;
+	-webkit-border-bottom-left-radius: 5px;
 }
 
 #qunit-tests .fail                          { color: #000000; background-color: #EE5757; }
diff --git a/vendor/underscore/test/vendor/qunit.js b/vendor/underscore/test/vendor/qunit.js
index c1570c252..d4f17b5ae 100644
--- a/vendor/underscore/test/vendor/qunit.js
+++ b/vendor/underscore/test/vendor/qunit.js
@@ -1,11 +1,11 @@
 /**
- * QUnit v1.8.0 - A JavaScript Unit Testing Framework
+ * QUnit v1.10.0 - A JavaScript Unit Testing Framework
  *
- * http://docs.jquery.com/QUnit
+ * http://qunitjs.com
  *
- * Copyright (c) 2012 John Resig, Jörn Zaefferer
- * Dual licensed under the MIT (MIT-LICENSE.txt)
- * or GPL (GPL-LICENSE.txt) licenses.
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
  */
 
 (function( window ) {
@@ -17,6 +17,8 @@ var QUnit,
 	fileName = (sourceFromStacktrace( 0 ) || "" ).replace(/(:\d+)+\)?/, "").replace(/.+\//, ""),
 	toString = Object.prototype.toString,
 	hasOwn = Object.prototype.hasOwnProperty,
+	// Keep a local reference to Date (GH-283)
+	Date = window.Date,
 	defined = {
 	setTimeout: typeof window.setTimeout !== "undefined",
 	sessionStorage: (function() {
@@ -304,7 +306,8 @@ QUnit = {
 	// call on start of module test to prepend name to all tests
 	module: function( name, testEnvironment ) {
 		config.currentModule = name;
-		config.currentModuleTestEnviroment = testEnvironment;
+		config.currentModuleTestEnvironment = testEnvironment;
+		config.modules[name] = true;
 	},
 
 	asyncTest: function( testName, expected, callback ) {
@@ -336,7 +339,7 @@ QUnit = {
 			async: async,
 			callback: callback,
 			module: config.currentModule,
-			moduleTestEnvironment: config.currentModuleTestEnviroment,
+			moduleTestEnvironment: config.currentModuleTestEnvironment,
 			stack: sourceFromStacktrace( 2 )
 		});
 
@@ -349,7 +352,11 @@ QUnit = {
 
 	// Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
 	expect: function( asserts ) {
-		config.current.expected = asserts;
+		if (arguments.length === 1) {
+			config.current.expected = asserts;
+		} else {
+			return config.current.expected;
+		}
 	},
 
 	start: function( count ) {
@@ -403,6 +410,8 @@ QUnit = {
 QUnit.assert = {
 	/**
 	 * Asserts rough true-ish result.
+	 * @name ok
+	 * @function
 	 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
 	 */
 	ok: function( result, msg ) {
@@ -413,6 +422,8 @@ QUnit.assert = {
 
 		var source,
 			details = {
+				module: config.current.module,
+				name: config.current.testName,
 				result: result,
 				message: msg
 			};
@@ -437,36 +448,59 @@ QUnit.assert = {
 	/**
 	 * Assert that the first two arguments are equal, with an optional message.
 	 * Prints out both actual and expected values.
+	 * @name equal
+	 * @function
 	 * @example equal( format( "Received {0} bytes.", 2), "Received 2 bytes.", "format() replaces {0} with next argument" );
 	 */
 	equal: function( actual, expected, message ) {
 		QUnit.push( expected == actual, actual, expected, message );
 	},
 
+	/**
+	 * @name notEqual
+	 * @function
+	 */
 	notEqual: function( actual, expected, message ) {
 		QUnit.push( expected != actual, actual, expected, message );
 	},
 
+	/**
+	 * @name deepEqual
+	 * @function
+	 */
 	deepEqual: function( actual, expected, message ) {
 		QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
 	},
 
+	/**
+	 * @name notDeepEqual
+	 * @function
+	 */
 	notDeepEqual: function( actual, expected, message ) {
 		QUnit.push( !QUnit.equiv(actual, expected), actual, expected, message );
 	},
 
+	/**
+	 * @name strictEqual
+	 * @function
+	 */
 	strictEqual: function( actual, expected, message ) {
 		QUnit.push( expected === actual, actual, expected, message );
 	},
 
+	/**
+	 * @name notStrictEqual
+	 * @function
+	 */
 	notStrictEqual: function( actual, expected, message ) {
 		QUnit.push( expected !== actual, actual, expected, message );
 	},
 
-	raises: function( block, expected, message ) {
+	throws: function( block, expected, message ) {
 		var actual,
 			ok = false;
 
+		// 'expected' is optional
 		if ( typeof expected === "string" ) {
 			message = expected;
 			expected = null;
@@ -494,18 +528,29 @@ QUnit.assert = {
 			} else if ( expected.call( {}, actual ) === true ) {
 				ok = true;
 			}
-		}
 
-		QUnit.push( ok, actual, null, message );
+			QUnit.push( ok, actual, null, message );
+		} else {
+			QUnit.pushFailure( message, null, 'No exception was thrown.' );
+		}
 	}
 };
 
-// @deprecated: Kept assertion helpers in root for backwards compatibility
+/**
+ * @deprecate since 1.8.0
+ * Kept assertion helpers in root for backwards compatibility
+ */
 extend( QUnit, QUnit.assert );
 
 /**
- * @deprecated: Kept for backwards compatibility
- * next step: remove entirely
+ * @deprecated since 1.9.0
+ * Kept global "raises()" for backwards compatibility
+ */
+QUnit.raises = QUnit.assert.throws;
+
+/**
+ * @deprecated since 1.0.0, replaced with error pushes since 1.3.0
+ * Kept to avoid TypeErrors for undefined methods.
  */
 QUnit.equals = function() {
 	QUnit.push( false, false, false, "QUnit.equals has been deprecated since 2009 (e88049a0), use QUnit.equal instead" );
@@ -549,7 +594,23 @@ config = {
 	// when enabled, all tests must call expect()
 	requireExpects: false,
 
-	urlConfig: [ "noglobals", "notrycatch" ],
+	// add checkboxes that are persisted in the query-string
+	// when enabled, the id is set to `true` as a `QUnit.config` property
+	urlConfig: [
+		{
+			id: "noglobals",
+			label: "Check for Globals",
+			tooltip: "Enabling this will test if any test introduces new properties on the `window` object. Stored as query-strings."
+		},
+		{
+			id: "notrycatch",
+			label: "No try-catch",
+			tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging exceptions in IE reasonable. Stored as query-strings."
+		}
+	],
+
+	// Set of all modules.
+	modules: {},
 
 	// logging callback queues
 	begin: [],
@@ -661,17 +722,10 @@ extend( QUnit, {
 	},
 
 	// Resets the test setup. Useful for tests that modify the DOM.
-	// If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
 	reset: function() {
-		var fixture;
-
-		if ( window.jQuery ) {
-			jQuery( "#qunit-fixture" ).html( config.fixture );
-		} else {
-			fixture = id( "qunit-fixture" );
-			if ( fixture ) {
-				fixture.innerHTML = config.fixture;
-			}
+		var fixture = id( "qunit-fixture" );
+		if ( fixture ) {
+			fixture.innerHTML = config.fixture;
 		}
 	},
 
@@ -732,6 +786,8 @@ extend( QUnit, {
 
 		var output, source,
 			details = {
+				module: config.current.module,
+				name: config.current.testName,
 				result: result,
 				message: message,
 				actual: actual,
@@ -770,26 +826,36 @@ extend( QUnit, {
 		});
 	},
 
-	pushFailure: function( message, source ) {
+	pushFailure: function( message, source, actual ) {
 		if ( !config.current ) {
 			throw new Error( "pushFailure() assertion outside test context, was " + sourceFromStacktrace(2) );
 		}
 
 		var output,
 			details = {
+				module: config.current.module,
+				name: config.current.testName,
 				result: false,
 				message: message
 			};
 
-		message = escapeInnerText(message ) || "error";
+		message = escapeInnerText( message ) || "error";
 		message = "<span class='test-message'>" + message + "</span>";
 		output = message;
 
+		output += "<table>";
+
+		if ( actual ) {
+			output += "<tr class='test-actual'><th>Result: </th><td><pre>" + escapeInnerText( actual ) + "</pre></td></tr>";
+		}
+
 		if ( source ) {
 			details.source = source;
-			output += "<table><tr class='test-source'><th>Source: </th><td><pre>" + escapeInnerText( source ) + "</pre></td></tr></table>";
+			output += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeInnerText( source ) + "</pre></td></tr>";
 		}
 
+		output += "</table>";
+
 		runLoggingCallbacks( "log", QUnit, details );
 
 		config.current.assertions.push({
@@ -859,7 +925,9 @@ QUnit.load = function() {
 	runLoggingCallbacks( "begin", QUnit, {} );
 
 	// Initialize the config, saving the execution queue
-	var banner, filter, i, label, len, main, ol, toolbar, userAgent, val,
+	var banner, filter, i, label, len, main, ol, toolbar, userAgent, val, urlConfigCheckboxes, moduleFilter,
+	    numModules = 0,
+	    moduleFilterHtml = "",
 		urlConfigHtml = "",
 		oldconfig = extend( {}, config );
 
@@ -872,10 +940,26 @@ QUnit.load = function() {
 
 	for ( i = 0; i < len; i++ ) {
 		val = config.urlConfig[i];
-		config[val] = QUnit.urlParams[val];
-		urlConfigHtml += "<label><input name='" + val + "' type='checkbox'" + ( config[val] ? " checked='checked'" : "" ) + ">" + val + "</label>";
+		if ( typeof val === "string" ) {
+			val = {
+				id: val,
+				label: val,
+				tooltip: "[no tooltip available]"
+			};
+		}
+		config[ val.id ] = QUnit.urlParams[ val.id ];
+		urlConfigHtml += "<input id='qunit-urlconfig-" + val.id + "' name='" + val.id + "' type='checkbox'" + ( config[ val.id ] ? " checked='checked'" : "" ) + " title='" + val.tooltip + "'><label for='qunit-urlconfig-" + val.id + "' title='" + val.tooltip + "'>" + val.label + "</label>";
 	}
 
+	moduleFilterHtml += "<label for='qunit-modulefilter'>Module: </label><select id='qunit-modulefilter' name='modulefilter'><option value='' " + ( config.module === undefined  ? "selected" : "" ) + ">< All Modules ></option>";
+	for ( i in config.modules ) {
+		if ( config.modules.hasOwnProperty( i ) ) {
+			numModules += 1;
+			moduleFilterHtml += "<option value='" + encodeURIComponent(i) + "' " + ( config.module === i ? "selected" : "" ) + ">" + i + "</option>";
+		}
+	}
+	moduleFilterHtml += "</select>";
+
 	// `userAgent` initialized at top of scope
 	userAgent = id( "qunit-userAgent" );
 	if ( userAgent ) {
@@ -885,12 +969,7 @@ QUnit.load = function() {
 	// `banner` initialized at top of scope
 	banner = id( "qunit-header" );
 	if ( banner ) {
-		banner.innerHTML = "<a href='" + QUnit.url({ filter: undefined }) + "'>" + banner.innerHTML + "</a> " + urlConfigHtml;
-		addEvent( banner, "change", function( event ) {
-			var params = {};
-			params[ event.target.name ] = event.target.checked ? true : undefined;
-			window.location = QUnit.url( params );
-		});
+		banner.innerHTML = "<a href='" + QUnit.url({ filter: undefined, module: undefined, testNumber: undefined }) + "'>" + banner.innerHTML + "</a> ";
 	}
 
 	// `toolbar` initialized at top of scope
@@ -931,8 +1010,31 @@ QUnit.load = function() {
 		// `label` initialized at top of scope
 		label = document.createElement( "label" );
 		label.setAttribute( "for", "qunit-filter-pass" );
+		label.setAttribute( "title", "Only show tests and assertons that fail. Stored in sessionStorage." );
 		label.innerHTML = "Hide passed tests";
 		toolbar.appendChild( label );
+
+		urlConfigCheckboxes = document.createElement( 'span' );
+		urlConfigCheckboxes.innerHTML = urlConfigHtml;
+		addEvent( urlConfigCheckboxes, "change", function( event ) {
+			var params = {};
+			params[ event.target.name ] = event.target.checked ? true : undefined;
+			window.location = QUnit.url( params );
+		});
+		toolbar.appendChild( urlConfigCheckboxes );
+
+		if (numModules > 1) {
+			moduleFilter = document.createElement( 'span' );
+			moduleFilter.setAttribute( 'id', 'qunit-modulefilter-container' );
+			moduleFilter.innerHTML = moduleFilterHtml;
+			addEvent( moduleFilter, "change", function() {
+				var selectBox = moduleFilter.getElementsByTagName("select")[0],
+				    selectedModule = decodeURIComponent(selectBox.options[selectBox.selectedIndex].value);
+
+				window.location = QUnit.url( { module: ( selectedModule === "" ) ? undefined : selectedModule } );
+			});
+			toolbar.appendChild(moduleFilter);
+		}
 	}
 
 	// `main` initialized at top of scope
@@ -970,9 +1072,9 @@ window.onerror = function ( error, filePath, linerNr ) {
 			}
 			QUnit.pushFailure( error, filePath + ":" + linerNr );
 		} else {
-			QUnit.test( "global failure", function() {
+			QUnit.test( "global failure", extend( function() {
 				QUnit.pushFailure( error, filePath + ":" + linerNr );
-			});
+			}, { validTest: validTest } ) );
 		}
 		return false;
 	}
@@ -1039,6 +1141,11 @@ function done() {
 		}
 	}
 
+	// scroll back to top to show results
+	if ( window.scrollTo ) {
+		window.scrollTo(0, 0);
+	}
+
 	runLoggingCallbacks( "done", QUnit, {
 		failed: config.stats.bad,
 		passed: passed,
@@ -1051,14 +1158,20 @@ function done() {
 function validTest( test ) {
 	var include,
 		filter = config.filter && config.filter.toLowerCase(),
-		module = config.module,
+		module = config.module && config.module.toLowerCase(),
 		fullName = (test.module + ": " + test.testName).toLowerCase();
 
+	// Internally-generated tests are always valid
+	if ( test.callback && test.callback.validTest === validTest ) {
+		delete test.callback.validTest;
+		return true;
+	}
+
 	if ( config.testNumber ) {
 		return test.testNumber === config.testNumber;
 	}
 
-	if ( module && test.module !== module ) {
+	if ( module && ( !test.module || test.module.toLowerCase() !== module ) ) {
 		return false;
 	}
 
@@ -1335,7 +1448,8 @@ QUnit.equiv = (function() {
 						a.global === b.global &&
 						// (gmi) ...
 						a.ignoreCase === b.ignoreCase &&
-						a.multiline === b.multiline;
+						a.multiline === b.multiline &&
+						a.sticky === b.sticky;
 				},
 
 				// - skip when the property is a method of an instance (OOP)
diff --git a/vendor/underscore/underscore-min.js b/vendor/underscore/underscore-min.js
index 15530c637..29232ee4c 100644
--- a/vendor/underscore/underscore-min.js
+++ b/vendor/underscore/underscore-min.js
@@ -5,29 +5,29 @@
 // Oliver Steele's Functional, and John Resig's Micro-Templating.
 // For all details and documentation:
 // http://documentcloud.github.com/underscore
-(function(){var t=this,M=t._,p={},k=Array.prototype,q=Object.prototype,N=k.push,h=k.slice,O=k.unshift,m=q.toString,P=q.hasOwnProperty,A=k.forEach,B=k.map,C=k.reduce,D=k.reduceRight,E=k.filter,F=k.every,G=k.some,r=k.indexOf,H=k.lastIndexOf,q=Array.isArray,Q=Object.keys,u=Function.prototype.bind,b=function(a){return new l(a)};"undefined"!==typeof exports?("undefined"!==typeof module&&module.exports&&(exports=module.exports=b),exports._=b):t._=b;b.VERSION="1.3.3";var j=b.each=b.forEach=function(a,c,
-d){if(a!=null)if(A&&a.forEach===A)a.forEach(c,d);else if(a.length===+a.length)for(var e=0,f=a.length;e<f;e++){if(c.call(d,a[e],e,a)===p)break}else for(e in a)if(b.has(a,e)&&c.call(d,a[e],e,a)===p)break};b.map=b.collect=function(a,c,b){var e=[];if(a==null)return e;if(B&&a.map===B)return a.map(c,b);j(a,function(a,g,i){e[e.length]=c.call(b,a,g,i)});return e};b.reduce=b.foldl=b.inject=function(a,c,d,e){var f=arguments.length>2;a==null&&(a=[]);if(C&&a.reduce===C){e&&(c=b.bind(c,e));return f?a.reduce(c,
-d):a.reduce(c)}j(a,function(a,b,h){if(f)d=c.call(e,d,a,b,h);else{d=a;f=true}});if(!f)throw new TypeError("Reduce of empty array with no initial value");return d};b.reduceRight=b.foldr=function(a,c,d,e){var f=arguments.length>2;a==null&&(a=[]);if(D&&a.reduceRight===D){e&&(c=b.bind(c,e));return f?a.reduceRight(c,d):a.reduceRight(c)}var g=b.toArray(a).reverse();e&&!f&&(c=b.bind(c,e));return f?b.reduce(g,c,d,e):b.reduce(g,c)};b.find=b.detect=function(a,c,b){var e;I(a,function(a,g,i){if(c.call(b,a,g,i)){e=
-a;return true}});return e};b.filter=b.select=function(a,c,b){var e=[];if(a==null)return e;if(E&&a.filter===E)return a.filter(c,b);j(a,function(a,g,i){c.call(b,a,g,i)&&(e[e.length]=a)});return e};b.reject=function(a,c,b){var e=[];if(a==null)return e;j(a,function(a,g,i){c.call(b,a,g,i)||(e[e.length]=a)});return e};b.every=b.all=function(a,c,d){c||(c=b.identity);var e=true;if(a==null)return e;if(F&&a.every===F)return a.every(c,d);j(a,function(a,b,i){if(!(e=e&&c.call(d,a,b,i)))return p});return!!e};var I=
-b.some=b.any=function(a,c,d){c||(c=b.identity);var e=false;if(a==null)return e;if(G&&a.some===G)return a.some(c,d);j(a,function(a,b,i){if(e||(e=c.call(d,a,b,i)))return p});return!!e};b.include=b.contains=function(a,c){var b=false;if(a==null)return b;if(r&&a.indexOf===r)return a.indexOf(c)!=-1;return b=I(a,function(a){return a===c})};b.invoke=function(a,c){var d=h.call(arguments,2);return b.map(a,function(a){return(b.isFunction(c)?c:a[c]).apply(a,d)})};b.pluck=function(a,c){return b.map(a,function(a){return a[c]})};
-b.max=function(a,c,d){if(!c&&b.isArray(a)&&a[0]===+a[0]&&a.length<65535)return Math.max.apply(Math,a);if(!c&&b.isEmpty(a))return-Infinity;var e={computed:-Infinity};j(a,function(a,b,i){b=c?c.call(d,a,b,i):a;b>=e.computed&&(e={value:a,computed:b})});return e.value};b.min=function(a,c,d){if(!c&&b.isArray(a)&&a[0]===+a[0]&&a.length<65535)return Math.min.apply(Math,a);if(!c&&b.isEmpty(a))return Infinity;var e={computed:Infinity};j(a,function(a,b,i){b=c?c.call(d,a,b,i):a;b<e.computed&&(e={value:a,computed:b})});
-return e.value};b.shuffle=function(a){var c,b=0,e=[];j(a,function(a){c=Math.floor(Math.random()*++b);e[b-1]=e[c];e[c]=a});return e};b.sortBy=function(a,c,d){var e=J(a,c);return b.pluck(b.map(a,function(a,c,b){return{value:a,criteria:e.call(d,a,c,b)}}).sort(function(a,c){var b=a.criteria,d=c.criteria;return b===void 0?1:d===void 0?-1:b<d?-1:b>d?1:0}),"value")};var J=function(a,c){return b.isFunction(c)?c:function(a){return a[c]}},K=function(a,c,b){var e={},f=J(a,c);j(a,function(a,c){var h=f(a,c);b(e,
-h,a)});return e};b.groupBy=function(a,c){return K(a,c,function(a,c,b){(a[c]||(a[c]=[])).push(b)})};b.countBy=function(a,c){return K(a,c,function(a,c){a[c]||(a[c]=0);a[c]++})};b.sortedIndex=function(a,c,d){d||(d=b.identity);for(var c=d(c),e=0,f=a.length;e<f;){var g=e+f>>1;d(a[g])<c?e=g+1:f=g}return e};b.toArray=function(a){return!a?[]:b.isArray(a)||b.isArguments(a)?h.call(a):b.isFunction(a.toArray)?a.toArray():b.values(a)};b.size=function(a){return a.length===+a.length?a.length:b.keys(a).length};b.first=
-b.head=b.take=function(a,c,b){return c!=null&&!b?h.call(a,0,c):a[0]};b.initial=function(a,c,b){return h.call(a,0,a.length-(c==null||b?1:c))};b.last=function(a,c,b){return c!=null&&!b?h.call(a,Math.max(a.length-c,0)):a[a.length-1]};b.rest=b.tail=b.drop=function(a,c,b){return h.call(a,c==null||b?1:c)};b.compact=function(a){return b.filter(a,function(a){return!!a})};var s=function(a,c,d){j(a,function(a){b.isArray(a)?c?N.apply(d,a):s(a,c,d):d.push(a)});return d};b.flatten=function(a,c){return s(a,c,[])};
-b.without=function(a){return b.difference(a,h.call(arguments,1))};b.uniq=b.unique=function(a,c,d){var d=d?b.map(a,d):a,e=[];b.reduce(d,function(d,g,i){if(c?b.last(d)!==g||!d.length:!b.include(d,g)){d.push(g);e.push(a[i])}return d},[]);return e};b.union=function(){return b.uniq(s(arguments,true,[]))};b.intersection=function(a){var c=h.call(arguments,1);return b.filter(b.uniq(a),function(a){return b.every(c,function(c){return b.indexOf(c,a)>=0})})};b.difference=function(a){var c=s(h.call(arguments,
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+a.multiline==c.multiline&&a.ignoreCase==c.ignoreCase}if(typeof a!="object"||typeof c!="object")return false;for(var f=d.length;f--;)if(d[f]==a)return true;d.push(a);var f=0,g=true;if(e=="[object Array]"){f=a.length;if(g=f==c.length)for(;f--;)if(!(g=f in a==f in c&&u(a[f],c[f],d)))break}else{if("constructor"in a!="constructor"in c||a.constructor!=c.constructor)return false;for(var i in a)if(b.has(a,i)){f++;if(!(g=b.has(c,i)&&u(a[i],c[i],d)))break}if(g){for(i in c)if(b.has(c,i)&&!f--)break;g=!f}}d.pop();
+return g};b.isEqual=function(a,b){return u(a,b,[])};b.isEmpty=function(a){if(a==null)return true;if(b.isArray(a)||b.isString(a))return a.length===0;for(var c in a)if(b.has(a,c))return false;return true};b.isElement=function(a){return!!(a&&a.nodeType==1)};b.isArray=p||function(a){return l.call(a)=="[object Array]"};b.isObject=function(a){return a===Object(a)};j("Arguments,Function,String,Number,Date,RegExp".split(","),function(a){b["is"+a]=function(b){return l.call(b)=="[object "+a+"]"}});b.isArguments(arguments)||
+(b.isArguments=function(a){return!(!a||!b.has(a,"callee"))});b.isFinite=function(a){return b.isNumber(a)&&isFinite(a)};b.isNaN=function(a){return a!==a};b.isBoolean=function(a){return a===true||a===false||l.call(a)=="[object Boolean]"};b.isNull=function(a){return a===null};b.isUndefined=function(a){return a===void 0};b.has=function(a,b){return M.call(a,b)};b.noConflict=function(){s._=K;return this};b.identity=function(a){return a};b.times=function(a,b,d){for(var e=0;e<a;e++)b.call(d,e)};b.random=
+function(a,b){return a+(0|Math.random()*(b-a+1))};var m={escape:{"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#x27;","/":"&#x2F;"}};m.unescape=b.invert(m.escape);var O={escape:RegExp("["+b.keys(m.escape).join("")+"]","g"),unescape:RegExp("("+b.keys(m.unescape).join("|")+")","g")};b.each(["escape","unescape"],function(a){b[a]=function(b){return b==null?"":(""+b).replace(O[a],function(b){return m[a][b]})}});b.result=function(a,c){if(a==null)return null;var d=a[c];return b.isFunction(d)?d.call(a):
+d};b.mixin=function(a){j(b.functions(a),function(c){var d=b[c]=a[c];b.prototype[c]=function(){var a=h.call(arguments);a.unshift(this._wrapped);a=d.apply(b,a);return this._chain?b(a).chain():a}})};var P=0;b.uniqueId=function(a){var b=P++;return a?a+b:b};b.templateSettings={evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g,escape:/<%-([\s\S]+?)%>/g};var v=/.^/,n={"\\":"\\","'":"'",r:"\r",n:"\n",t:"\t",u2028:"\u2028",u2029:"\u2029"},w;for(w in n)n[n[w]]=w;var Q=/\\|'|\r|\n|\t|\u2028|\u2029/g,
+R=/\\(\\|'|r|n|t|u2028|u2029)/g,x=function(a){return a.replace(R,function(a,b){return n[b]})};b.template=function(a,c,d){d=b.defaults({},d,b.templateSettings);a="__p+='"+a.replace(Q,function(a){return"\\"+n[a]}).replace(d.escape||v,function(a,b){return"'+\n((__t=("+x(b)+"))==null?'':_.escape(__t))+\n'"}).replace(d.interpolate||v,function(a,b){return"'+\n((__t=("+x(b)+"))==null?'':__t)+\n'"}).replace(d.evaluate||v,function(a,b){return"';\n"+x(b)+"\n__p+='"})+"';\n";d.variable||(a="with(obj||{}){\n"+
+a+"}\n");a="var __t,__p='',__j=Array.prototype.join,print=function(){__p+=__j.call(arguments,'');};\n"+a+"return __p;\n";try{var e=new Function(d.variable||"obj","_",a)}catch(f){f.source=a;throw f;}if(c)return e(c,b);c=function(a){return e.call(this,a,b)};c.source="function("+(d.variable||"obj")+"){\n"+a+"}";return c};b.chain=function(a){return b(a).chain()};b.mixin(b);j("pop,push,reverse,shift,sort,splice,unshift".split(","),function(a){var c=k[a];b.prototype[a]=function(){var d=this._wrapped;c.apply(d,
+arguments);(a=="shift"||a=="splice")&&d.length===0&&delete d[0];return this._chain?b(d).chain():d}});j(["concat","join","slice"],function(a){var c=k[a];b.prototype[a]=function(){var a=c.apply(this._wrapped,arguments);return this._chain?b(a).chain():a}});b.extend(b.prototype,{chain:function(){this._chain=true;return this},value:function(){return this._wrapped}})}).call(this);
diff --git a/vendor/underscore/underscore.js b/vendor/underscore/underscore.js
index 4b6e76167..563df8bf9 100644
--- a/vendor/underscore/underscore.js
+++ b/vendor/underscore/underscore.js
@@ -47,7 +47,11 @@
     nativeBind         = FuncProto.bind;
 
   // Create a safe reference to the Underscore object for use below.
-  var _ = function(obj) { return new wrapper(obj); };
+  var _ = function(obj) {
+    if (obj instanceof _) return obj;
+    if (!(this instanceof _)) return new _(obj);
+    this._wrapped = obj;
+  };
 
   // Export the Underscore object for **Node.js**, with
   // backwards-compatibility for the old `require()` API. If we're in
@@ -771,8 +775,8 @@
     // A strict comparison is necessary because `null == undefined`.
     if (a == null || b == null) return a === b;
     // Unwrap any wrapped objects.
-    if (a._chain) a = a._wrapped;
-    if (b._chain) b = b._wrapped;
+    if (a instanceof _) a = a._wrapped;
+    if (b instanceof _) b = b._wrapped;
     // Invoke a custom `isEqual` method if one is provided.
     if (a.isEqual && _.isFunction(a.isEqual)) return a.isEqual(b);
     if (b.isEqual && _.isFunction(b.isEqual)) return b.isEqual(a);
@@ -990,11 +994,15 @@
     return _.isFunction(value) ? value.call(object) : value;
   };
 
-  // Add your own custom functions to the Underscore object, ensuring that
-  // they're correctly added to the OOP wrapper as well.
+  // Add your own custom functions to the Underscore object.
   _.mixin = function(obj) {
     each(_.functions(obj), function(name){
-      addToWrapper(name, _[name] = obj[name]);
+      var func = _[name] = obj[name];
+      _.prototype[name] = function() {
+        var args = slice.call(arguments);
+        args.unshift(this._wrapped);
+        return result.call(this, func.apply(_, args));
+      };
     });
   };
 
@@ -1047,7 +1055,7 @@
   // Underscore templating handles arbitrary delimiters, preserves whitespace,
   // and correctly escapes quotes within interpolated code.
   _.template = function(text, data, settings) {
-    settings = _.defaults(settings || {}, _.templateSettings);
+    settings = _.defaults({}, settings, _.templateSettings);
 
     // Compile the template source, taking care to escape characters that
     // cannot be included in a string literal and then unescape them in code
@@ -1096,29 +1104,15 @@
     return _(obj).chain();
   };
 
-  // The OOP Wrapper
+  // OOP
   // ---------------
-
   // If Underscore is called as a function, it returns a wrapped object that
   // can be used OO-style. This wrapper holds altered versions of all the
   // underscore functions. Wrapped objects may be chained.
-  var wrapper = function(obj) { this._wrapped = obj; };
-
-  // Expose `wrapper.prototype` as `_.prototype`
-  _.prototype = wrapper.prototype;
 
   // Helper function to continue chaining intermediate results.
-  var result = function(obj, chain) {
-    return chain ? _(obj).chain() : obj;
-  };
-
-  // A method to easily add functions to the OOP wrapper.
-  var addToWrapper = function(name, func) {
-    wrapper.prototype[name] = function() {
-      var args = slice.call(arguments);
-      unshift.call(args, this._wrapped);
-      return result(func.apply(_, args), this._chain);
-    };
+  var result = function(obj) {
+    return this._chain ? _(obj).chain() : obj;
   };
 
   // Add all of the Underscore functions to the wrapper object.
@@ -1127,31 +1121,35 @@
   // Add all mutator Array functions to the wrapper.
   each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
     var method = ArrayProto[name];
-    wrapper.prototype[name] = function() {
+    _.prototype[name] = function() {
       var obj = this._wrapped;
       method.apply(obj, arguments);
       if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
-      return result(obj, this._chain);
+      return result.call(this, obj);
     };
   });
 
   // Add all accessor Array functions to the wrapper.
   each(['concat', 'join', 'slice'], function(name) {
     var method = ArrayProto[name];
-    wrapper.prototype[name] = function() {
-      return result(method.apply(this._wrapped, arguments), this._chain);
+    _.prototype[name] = function() {
+      return result.call(this, method.apply(this._wrapped, arguments));
     };
   });
 
-  // Start chaining a wrapped Underscore object.
-  wrapper.prototype.chain = function() {
-    this._chain = true;
-    return this;
-  };
+  _.extend(_.prototype, {
 
-  // Extracts the result from a wrapped and chained object.
-  wrapper.prototype.value = function() {
-    return this._wrapped;
-  };
+    // Start chaining a wrapped Underscore object.
+    chain: function() {
+      this._chain = true;
+      return this;
+    },
+
+    // Extracts the result from a wrapped and chained object.
+    value: function() {
+      return this._wrapped;
+    }
+
+  });
 
 }).call(this);