title: How to resize UINavigationController in a storyboard editor
body: <p>When I want resize an UIViewController in a storyboard editor window I do:</p>
  
  <ul>
  <li>I put size to "freeForm" in the UIViewController  attributes inspector  </li>
  <li>I select the view and resize her with the size inspector</li>
  </ul>
  
  <p>after that, the uiViewController is resized in storyboard window.</p>
  
  <p>Next, I select the view controller, click on: edit > embeded in> Navigation Controller and the problem is that navigation controller is in full size and not the same size that UIViewController. I don't find how resize this navigation controller.</p>