Changes iOSDispatcher to use iframes to dispatch events

Instead of using window.location.href to trigger
the webView:shouldStartLoadWithRequest:navigationType:
in the UIWebView's delegate now it creates a new
iframe and set its source to the same URL
usend in window.location.href.
Merge branch 'master' of https://github.com/guidomb/jockeyjs into guidomb-master

Conflicts:
	JockeyJS/js/jockey.js
Merge branch 'guidomb-master'