General fixes to tabui... again
* Fix brightness crash by implementing a bar callback on NotificationPanel. I also
  Leave NotificationArea management to show(boolean, boolean) method on NotificationPanel
* Per app color :D
* Provide a bar to QuickSettings class, so he can collapse the panels

Credit @D4rKn3sSyS
https://github.com/ParanoidAndroid/android_frameworks_base/commit/45ee1896a032328612257059002ee9ac224da6ec