Settings cleanup.

Removed lockscreen targets(we use RC's now)
cleaned up SystemSettings &&
cleaned up/simplified/unified the settings for QS.
(the way it was took too many clicks to get where you
wanted to)

Change-Id: Ia06ab66c95b0be9b051efa7ce9099e6a407d6618
Merge branch 'cm-10.1' of https://github.com/PAC-man/android_packages_apps_Settings into cm-10.1