fix for batched updates addon from CDN version of react with 0.14.x

Author: prasannavl

lib/environment/Environment.js

@@ -1,7 +1,7 @@
 "use strict";
 
 // batchedUpdates is now exposed in 0.12
-var batchedUpdates = require('react').batchedUpdates || require('react/lib/ReactUpdates').batchedUpdates;
+var batchedUpdates = require("react-dom").unstable_batchedUpdates || require('react').batchedUpdates || require('react/lib/ReactUpdates').batchedUpdates;
 
 /**
  * Base abstract class for a routing environment.