Added a readonly property for _mapScrollViewIsZooming to make it accessible
Merged original Alpstein changes to GPSies (commit 'ece5f91d531644f2574336492986c7de562892a8')

* commit 'ece5f91d531644f2574336492986c7de562892a8':
  o Fixes some compiler warnings
  o Disable iCloud backup for tile caches
  Ignore Appcode directory