Added sahlnaskh arabic font to Android.mk & fonts.mk files to actually get the font installed

Change-Id: If99e370f9d37ce1838bdcf10e895a9d0908d9176
PhoneWindowManager: add ability to use EdgeGestureService for system gestures.

Update: Default to enabled

Change-Id: Id4e2c0d82f771cd1c20e9196fb6db347494cca69
Merge "Added sahlnaskh arabic font to Android.mk & fonts.mk files to actually get the font installed" into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0