title: newest Xcode 7.1 LaunchScreen.xib warning
body: <p>After Xcode updated to 7.1 I get a warning which says "This file is set to build for a version older than the project deployment target. Functionality may be limited". I am using launch images source not even using launchScreen.xib</p>
  
  <p><img src="https://i.stack.imgur.com/Cyn5M.png" alt="App icons and launch images screen shot"></p>