SystemUi : Port forward statusbar brightness control

Brings back the status bar brightness control from cm-10.2

Change-Id: Icc04e7da3286e9925f8b90528c1e022b33d33e9d
Framework: Bring back Volume dialog features (2/2)

Change-Id: Idef106275ae1141e1d6952eea962a692942fdacc
Framework: Bring back Maximize widgets (1 of 2)

Change-Id: I023f079d1761ce99b29886161d150a37dfcc5b1f
Keyguard: Bring back fast unlock

Change-Id: I927426e9078c9cc07cc582c74bc170bff6eb834e
Merge "Framework: Bring back Maximize widgets (1 of 2)" into cm-11.0
Merge "Keyguard: Bring back fast unlock" into cm-11.0
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_frameworks_base into HEAD