Convert the CalendarDetailViewController to ARC. Also remove all the defined ivars (use properties instead) and eliminate the use of malloc.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Rough update of calendar module to support iOS 6 privacy access request.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Clean up the code to pop up the event editor.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Fixes IPHONEAPP-652.

Merge branch 'refs/heads/3.4/bugfix/IPHONEAPP-652' into 3.4/3.4-master

* Properly request Calendar access on iOS 6 and update the Calendar event detail view for ARC

Signed-off-by: Blake Skinner <bskinner@mit.edu>