Update vendors.

vendor/underscore/underscore.js

@@ -22,18 +22,16 @@
   var ArrayProto = Array.prototype, ObjProto = Object.prototype;
 
   // Create quick reference variables for speed access to core prototypes.
-  var
-    push = ArrayProto.push,
-    slice = ArrayProto.slice,
-    toString = ObjProto.toString,
-    hasOwnProperty = ObjProto.hasOwnProperty;
+  var push = ArrayProto.push,
+      slice = ArrayProto.slice,
+      toString = ObjProto.toString,
+      hasOwnProperty = ObjProto.hasOwnProperty;
 
   // All **ECMAScript 5** native function implementations that we hope to use
   // are declared here.
-  var
-    nativeIsArray = Array.isArray,
-    nativeKeys = Object.keys,
-    nativeCreate = Object.create;
+  var nativeIsArray = Array.isArray,
+      nativeKeys = Object.keys,
+      nativeCreate = Object.create;
 
   // Naked function reference for surrogate-prototype-swapping.
   var Ctor = function(){};
@@ -998,8 +996,8 @@
   _.mapObject = function(obj, iteratee, context) {
     iteratee = cb(iteratee, context);
     var keys = _.keys(obj),
-      length = keys.length,
-      results = {};
+        length = keys.length,
+        results = {};
     for (var index = 0; index < length; index++) {
       var currentKey = keys[index];
       results[currentKey] = iteratee(obj[currentKey], currentKey, obj);