Allow status bar in fullscreen apps when using fullscreen mode

Change-Id: Idc8b55f992da21efdb40bb30cb3c4f05a039c467
Add notification shade, quick settings, and trebuchet app drawer buttons

Change-Id: Id7ed2b404e5c93b75947e29b1096ab9d3e0d4bbf
Merge remote-tracking branch 'sgt7/cm-10.1' into cm-10.1-sgt7-linaro