Updates to Cordova 3.4

<h2>For Cordova 3.4</h2>
Removed the event jQuery/Zepto <code>on</code> and added the <code>addEventListener</code> with the callback for <code>googleCallback()</code>.<br>
For variable <code>app</code> found a small error because the function <code>this</code> is in some cases losing their overall impact.<br>