title: How to add UIView on UIAlertController
body: <p>How we can add the <code>UIView</code> on <code>UIAlertController</code> as we can do on the UIAlertView by using <code>@"AccessoryView"</code> but now it is deprecated in iOS 8 .
  So I want to use it with <code>UIAlertController</code> but how?</p>