title: simulator name is shown with id instead of os name in Xcode 6.2
body: <p>I've installed additional ios simulators(7.1) just after installing Xcode 6.2 and now the simulator names look like this:</p>
  
  <p><img src="https://i.stack.imgur.com/SP10y.png" alt="enter image description here"></p>
  
  <p>How do I change the names?</p>