title: iOS: Replacing modal ViewController with UIModalTransitionStyleFlipHorizontal
body: <p>I present a modal ViewController using <code>presentViewController</code>. Now I want to flip this modal view using <code>UIModalTransitionStyleFlipHorizontal</code> so from within the presented ViewController I call:</p>
  
  <pre><code>flipsideView.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;
  [self presentViewController:flipsideView animated:YES completion:^{}];
  </code></pre>
  
  <p>The animation looks fine. But when I dismiss the <code>flipsideView</code> first modal view is still visible.</p>
  
  <p>Is there a way to dismiss both modal views at once using the <code>UIModalTransitionStyleCoverVertical</code>. Or is it possible to replace the first modal view with the flipsideView using the flip-animation?</p>
  
  <p>Thanks!</p>