Update vendor/underscore and underscore tests.

vendor/underscore/test/utility.js

@@ -30,6 +30,10 @@
     equal(_.constant(moe)(), moe, 'should create a function that returns moe');
   });
 
+  test('noop', function() {
+    strictEqual(_.noop('curly', 'larry', 'moe'), undefined, 'should always return undefined');
+  });
+
   test('property', function() {
     var moe = {name : 'moe'};
     equal(_.property('name')(moe), 'moe', 'should return the property with the given name');