Settings: Allow non-primary user to access selected CM Settings

Specifically, Chronus and Notification light settings in System and
Background in Lock screen settings

Patch set 1  : Initial commit
Patch set 2  : Enable Lock screen targets
Patch set 3  : Enable Notification light settings

Change-Id: Ie9d40649f60b7279c4a07e77543720cfee4a3002
Settings: Make Safe headset volume handling user configurable (2 of 2)

Patch set 1  : Initial commit
Patch set 2  : Code cleanup and dedupe

Change-Id: I9d46ba5b8ca5a8b18dcb4856c348c86bc3e70899
Merge "Settings: Make Safe headset volume handling user configurable (2 of 2)" into cm-10.1
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_packages_apps_Settings into cm-10.1