title: switching view controllers using swipe gestures
body: <p>Okay so here is the problem I'm running into:</p>
  
  <p>I am attempting to switch from one <code>viewController</code> that I named <code>MenuViewController</code> which contains my menu (obviously). I have a separate <code>viewController</code> named <code>ViewController</code> that contains my <code>mapView</code>. I would like to be able to double finger <code>swipe left</code> from my <code>MenuViewController</code> over to my <code>mapView</code>. </p>
  
  <p>I'm not exactly sure where to start. </p>
  
  <p>Also, I am using xib files, and not the storyboard. Running iOS 6. </p>