Merge pull request #238 from threeday0905/url-tostring

Add URL toString() method to return synonym for href.

Author: addyosmani

src/URL/URL.js

@@ -467,6 +467,9 @@
   }
 
   jURL.prototype = {
+    toString: function() {
+      return this.href;
+    },
     get href() {
       if (this._isInvalid)
         return this._url;