Update vendor/underscore to v1.5.1 and update copyrights and tested environments.

Former-commit-id: 3bdfb1de97d08d05199f5f97c9c3145d7068e7fd

vendor/underscore/LICENSE

@@ -1,4 +1,5 @@
-Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud
+Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative
+Reporters & Editors
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation

vendor/underscore/test/arrays.js

@@ -134,19 +134,17 @@ $(document).ready(function() {
     var names = ['moe', 'larry', 'curly'], ages = [30, 40, 50], leaders = [true];
     var stooges = _.zip(names, ages, leaders);
     equal(String(stooges), 'moe,30,true,larry,40,,curly,50,', 'zipped together arrays of different lengths');
-  });
 
-  test('unzip', function() {
-    var stoogesUnzipped = _.unzip(['moe',30, 'stooge 1'],['larry',40, 'stooge 2'],['curly',50, 'stooge 3']);
-    deepEqual(stoogesUnzipped, [['moe','larry','curly'],[30,40,50], ['stooge 1', 'stooge 2', 'stooge 3']], 'unzipped pairs');
+    stooges = _.zip(['moe',30, 'stooge 1'],['larry',40, 'stooge 2'],['curly',50, 'stooge 3']);
+    deepEqual(stooges, [['moe','larry','curly'],[30,40,50], ['stooge 1', 'stooge 2', 'stooge 3']], 'zipped pairs');
 
     // In the case of difference lengths of the tuples undefineds
     // should be used as placeholder
-    stoogesUnzipped = _.unzip(['moe',30],['larry',40],['curly',50, 'extra data']);
-    deepEqual(stoogesUnzipped, [['moe','larry','curly'],[30,40,50], [undefined, undefined, 'extra data']], 'unzipped pairs');
+    stooges = _.zip(['moe',30],['larry',40],['curly',50, 'extra data']);
+    deepEqual(stooges, [['moe','larry','curly'],[30,40,50], [undefined, undefined, 'extra data']], 'zipped pairs with empties');
 
-    var emptyUnzipped = _.unzip([]);
-    deepEqual(emptyUnzipped, [], 'unzipped empty');
+    var empty = _.zip([]);
+    deepEqual(empty, [], 'unzipped empty');
   });
 
   test('object', function() {

vendor/underscore/test/functions.js

@@ -142,6 +142,20 @@ $(document).ready(function() {
     _.delay(function(){ equal(counter, 2, "incr was called twice"); start(); }, 64);
   });
 
+  asyncTest("more throttling", 3, function() {
+    var counter = 0;
+    var incr = function(){ counter++; };
+    var throttledIncr = _.throttle(incr, 30);
+    throttledIncr(); throttledIncr();
+    ok(counter == 1);
+    _.delay(function(){
+      ok(counter == 2);
+      throttledIncr();
+      ok(counter == 3);
+      start();
+    }, 85);
+  });
+
   asyncTest("throttle repeatedly with results", 6, function() {
     var counter = 0;
     var incr = function(){ return ++counter; };
@@ -197,6 +211,42 @@ $(document).ready(function() {
     }, 96);
   });
 
+  asyncTest("more throttle does not trigger leading call when leading is set to false", 3, function() {
+    var counter = 0;
+    var incr = function(){ counter++; };
+    var throttledIncr = _.throttle(incr, 100, {leading: false});
+
+    throttledIncr();
+    _.delay(throttledIncr, 50);
+    _.delay(throttledIncr, 60);
+    _.delay(throttledIncr, 200);
+    ok(counter === 0);
+
+    _.delay(function() {
+      ok(counter == 1);
+    }, 250);
+
+    _.delay(function() {
+      ok(counter == 2);
+      start();
+    }, 350);
+  });
+
+  asyncTest("one more throttle with leading: false test", 2, function() {
+    var counter = 0;
+    var incr = function(){ counter++; };
+    var throttledIncr = _.throttle(incr, 100, {leading: false});
+
+    var time = new Date;
+    while (new Date - time < 350) throttledIncr();
+    ok(counter === 3);
+
+    _.delay(function() {
+      equal(counter, 4);
+      start();
+    }, 200);
+  });
+
   asyncTest("throttle does not trigger trailing call when trailing is set to false", 4, function() {
     var counter = 0;
     var incr = function(){ counter++; };

vendor/underscore/underscore.js

@@ -1,7 +1,6 @@
-//     Underscore.js 1.5.0
+//     Underscore.js 1.5.1
 //     http://underscorejs.org
-//     (c) 2009-2011 Jeremy Ashkenas, DocumentCloud Inc.
-//     (c) 2011-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 //     Underscore may be freely distributed under the MIT license.
 
 (function() {
@@ -66,7 +65,7 @@
   }
 
   // Current version.
-  _.VERSION = '1.5.0';
+  _.VERSION = '1.5.1';
 
   // Collection Functions
   // --------------------
@@ -495,16 +494,6 @@
   // Zip together multiple lists into a single array -- elements that share
   // an index go together.
   _.zip = function() {
-    return _.unzip.apply(_, slice.call(arguments));
-  };
-
-  // The inverse operation to `_.zip`. If given an array of pairs it
-  // returns an array of the paired elements split into two left and
-  // right element arrays, if given an array of triples it returns a
-  // three element array and so on. For example, `_.unzip` given
-  // `[['a',1],['b',2],['c',3]]` returns the array
-  // [['a','b','c'],[1,2,3]].
-  _.unzip = function() {
     var length = _.max(_.pluck(arguments, "length").concat(0));
     var results = new Array(length);
     for (var i = 0; i < length; i++) {
@@ -662,7 +651,7 @@
     var previous = 0;
     options || (options = {});
     var later = function() {
-      previous = new Date;
+      previous = options.leading === false ? 0 : new Date;
       timeout = null;
       result = func.apply(context, args);
     };