REFACTORING: Foursquare uses ARC
REFACTORING: VKontakte uses blocks & ARC
REFACTORING: SHK ARC Final cleanup
REFACTORING: Buffer & Copy sharers moved to ARC
REFACTORING: Evernote sharer on ARC
BUGFIX: SHKRequest accessor uses ivar directly
REFACTORING: more sharers on ARC
REFACTORING: SHKMail uses ARC
REFACTORING: Instagram + TextMessage on ARC
REFACTORING: SHKDropbox on ARC
REFACTORING: SHKFlickr on ARC
REFACTORING: SHKFacebook on ARC