facebook/three20 — pull request #819 by ettore (2012-09-25 19:19:43+00:00)
Title: fixed a few iOS 6 deprecation warnings

Removed call to setStatusBarHidden:animated:, deprecated in iOS 6.
Removed some old code wrapped in __IPHONE_3_2 macro, since Three20 now targets iOS 4+.
Added pragma to ignore deprecated declarations in code handling keyboard notifications.