Settings: Enable battery PAC (1/2)

This will give the user the possibility of turning off PAC for battery icons only.
Add moar Pie buttons (2/2)

Plus a tiny bit of clean up
Typo
Settings: Move expanded desktop to RC power menu (2/3)
RB Settings: Implement CM Sound panel
Merge remote-tracking branch 'upstream/jb-mr1' into jb-mr1

Conflicts:
	res/values/strings.xml
	src/com/android/settings/Rootbox.java