title: Restoration identifier is not available on ios version prior to 6.0 warning
body: <p>I am using xcode 5,ios 7.When i run a code i get this warning ,eventhough the code is runnig.I went through developer.apple.com and found out this is something regarding restoration of app after coming from background to foreground.<a href="https://developer.apple.com/library/ios/documentation/iphone/conceptual/iphoneosprogrammingguide/StatePreservation/StatePreservation.html" rel="nofollow">https://developer.apple.com/library/ios/documentation/iphone/conceptual/iphoneosprogrammingguide/StatePreservation/StatePreservation.html</a></p>
  
  <p>But how to remove this ?</p>