title: Use of unresolved identifier PFFacebookUtils
body: <p>I've done all is mentioned here (<a href="https://www.parse.com/docs/ios_guide#fbusers/iOS" rel="nofollow noreferrer">https://www.parse.com/docs/ios_guide#fbusers/iOS</a>) for implement in iOS the Facebook Login.</p>
  
  <p>The problem is that i have an compile error "Use of unresolved identifier PFFacebookUtils"
  near che line</p>
  
  <p>PFFacebookUtils.initializeFacebook()</p>
  
  <p>in AppDelegate. I've correctly imported the Parse and Facebook Framework into my project.
  Are there some bug knowed in Xcode 6 Beta?</p>