Update vendors, minified files, and docs.

Former-commit-id: b29e9f8a497153408ba6266bf44412004e63c1af

vendor/underscore/test/collections.js

@@ -418,6 +418,13 @@ $(document).ready(function() {
 
     var numbers = _.toArray({one : 1, two : 2, three : 3});
     equal(numbers.join(', '), '1, 2, 3', 'object flattened into array');
+
+    // test in IE < 9
+    try {
+      var actual = _.toArray(document.childNodes);
+    } catch(ex) { }
+
+    ok(_.isArray(actual), 'should not throw converting a node list');
   });
 
   test('size', function() {

vendor/underscore/test/functions.js

@@ -34,8 +34,10 @@ $(document).ready(function() {
     // To test this with a modern browser, set underscore's nativeBind to undefined
     var F = function () { return this; };
     var Boundf = _.bind(F, {hello: "moe curly"});
-    equal(new Boundf().hello, undefined, "function should not be bound to the context, to comply with ECMAScript 5");
+    var newBoundf = new Boundf();
+    equal(newBoundf.hello, undefined, "function should not be bound to the context, to comply with ECMAScript 5");
     equal(Boundf().hello, "moe curly", "When called without the new operator, it's OK to be bound to the context");
+    ok(newBoundf instanceof Boundf && newBoundf instanceof F, "a bound instance is an instance of the bound and original function");
   });
 
   test("bindAll", function() {

vendor/underscore/test/objects.js

@@ -53,6 +53,13 @@ $(document).ready(function() {
     ok(_.isEqual(result, {x:2, a:'b'}), 'extending from multiple source objects last property trumps');
     result = _.extend({}, {a: void 0, b: null});
     equal(_.keys(result).join(''), 'ab', 'extend does not copy undefined values');
+
+    try {
+      result = {};
+      _.extend(result, null, undefined, { 'a': 1 });
+    } catch(ex) { }
+
+    equal(result.a, 1, 'should not error on `null` or `undefined` sources');
   });
 
   test("pick", function() {
@@ -96,6 +103,13 @@ $(document).ready(function() {
     equal(options.empty, "", 'value exists');
     ok(_.isNaN(options.nan), "NaN isn't overridden");
     equal(options.word, "word", 'new value is added, first one wins');
+
+    try {
+      options = {};
+      _.defaults(options, null, undefined, { 'a': 1 });
+    } catch(ex) { }
+
+    equal(options.a, 1, 'should not error on `null` or `undefined` sources');
   });
 
   test("clone", function() {