[IMPROVED] Removed password logic out of MPEntities so that it can be backgrounded without relying on the persistence layer staying up.
[IMPROVED] Some workload removed from the main thread.
[UPDATED] Fixed some warnings by explicitly type-casting NSNotFound checks.
[UPDATED] Fixed some Xcode 5 warnings by doing project configuration improvements.
[MOVED] iOS code from MPAppDelegate_Shared to MPiOSAppDelegate.
[FIXED] Perform MOC saving in MOC perform blocks.
[FIXED] Mac: Activate app when showing password window and not active.
[FIXED] Hide overlay while corruption dialog is up.
[FIXED] Hide corruption dialog when reloading store.
[UPDATED] TestFlight.
[FIXED] Mac: References to MPAppDelegate that should be OS-independant now use MPAppDelegate_Shared.
[FIXED] Mac: Threading and content UI updates.
[FIXED] iOS: Spinner was showing when going back to unlock VC.
[FIXED] Pass along temporary mocs, they appear to be stored __weak in the object and we can't rely on them not being nil.
[ADDED] Setup flow for initially setting the iCloud preference.
[ADDED] New guide.
[IMPROVED] Hierarchy and flow of unlock -> main.
