Adding support for upside down orientation

Adding support for upside down orientation
Only want UIInterfaceOrientationPortraitUpsideDown for iPads.
Update the path the module icons reside at. Fixes #272.
Update launch image to use old splash style. #276
Hide status bar during launch. #276
Merge pull request #264 from MIT-Mobile/3.6/upside-down

Adding support for upside down orientation
Merge pull request #277 from MIT-Mobile/launch-image

Update launch image. Fixes #276.
Use the correct image asset for the alert off icon in Shuttles
Merge branch '3.6-dev' into 3.6-drawer-navigation

Conflicts:
	Common/MITModule.m