title: Hide Cancel Button on UISearchController swift 2.0
body: <p>theres any way to hide the cancel button on UISearchController? <a href="https://i.stack.imgur.com/sgNIe.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/sgNIe.png" alt="enter image description here"></a></p>
  
  <p>The other behaviour i would like to know if its possible, is when the user press the Cancel Button, to set the text on the UISearchBar.</p>
  
  <p>Thanks</p>