title: iOS 6 iad not showing in simulator
body: <p>After I update XCode to get iOS 6 SDK, I see that iAd is not loaded anymore on simulator. I can't try on real device for the moment as I've not updated my iPhone yet.</p>
  
  <p>I didn't find anything about it on the release notes.</p>
  
  <p>Anyone encountring the same issue and resolved it ?</p>