QS performance profiles tile [2/2]

Requires http://review.cyanogenmod.org/#/c/51776/

Patchset 2: Fix not null comparation

Change-Id: I578d84002b00e0a7c58cdcaf2a3735bf6bbfdabf
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Conflicts:
	res/values/cm_arrays.xml

Conflicts:
	res/values/cm_arrays.xml
Add battery level around unlock ring [2/2]

Change-Id: Id594d7535aff99ab2712e8d6c9645330ca29e721

Conflicts:
	res/values/strings.xml
	res/xml/lock_screen_general.xml
	src/com/carbon/settings/fragments/lockscreen/LockscreenGeneral.java

Conflicts:
	res/values-de/ck_strings.xml
	res/values/ck_strings.xml
	src/com/android/settings/cyanogenmod/LockscreenInterface.java