added category to support rotation in ios6
implemented rotation and zoom in Brugada ECG, and no zoom in About dialog and Notes.  Rotation must be set for each view.
fixing autorotation for ios 5 and 6, not done yet
fixing autorotate for ios5
LQT ECG zooms now
deleted UINavigationController category and subclassed instead.
fixed most if not all autorotation methods
all autorotation looks good
merge conflict
merge issues
fixed merge conflict