FB: Slimrecents background color && transparency [2/2]

Change-Id: Icf0259ce45d416364d6e7a7a8c2038f6c4c0cbde
Changed contextual notification panel headers

See images - http://i.imgur.com/PupEJ5p.jpg

Change-Id: If848d162523610946c317919d2f6664d891906e6
StatusHeader: night begins two hours earlier, at least its dark outside

Change-Id: Ic044b26f7820828c11c5a3baa2ad22269c8dac02

Conflicts:
	packages/SystemUI/src/com/android/systemui/omni/StatusHeaderMachine.java
fix lockscreen rotation bug

Change-Id: I981c7e83da1dbc7109828b444e2077402ca40dd6