title: Xcode storyboard delegate datasource scenes
body: <p>After updating Xcode 7, some of my viewcontrollers' names changed to Delegate Scene, what to do about this? Thanks!
  <a href="https://i.stack.imgur.com/ldZx3.png" rel="noreferrer"><img src="https://i.stack.imgur.com/ldZx3.png" alt="enter image description here"></a></p>
  
  <p>Changing the title doesn't help
  <a href="https://i.stack.imgur.com/9JkFJ.png" rel="noreferrer"><img src="https://i.stack.imgur.com/9JkFJ.png" alt="enter image description here"></a></p>