Add back backlight curve adjustment.

PS2:Fixed ok string, moved AutoBrightnessCustomizeDialog.java out of CM folder
PS3:Fixed minor derp

Change-Id: I4f55091c5d8c72301c0985fa8463d198f86a7d21
Signed-off-by: kecinzer <kecinzer@gmail.com>

Conflicts:
	res/values-cs/strings.xml
	res/values/strings.xml

Conflicts:
	res/values/strings.xml
Spanish translations

Thanks to CM

Change-Id: I270ea3ea7e3d8df61e3a3d8eac65f10e18e7580a
Settings: Custom lock screen background [2/2]

Patch Set 1:    * port the custom lock screen feature from
                  ics (http://review.cyanogenmod.org/#/c/16914)

Patch Set 2:    * rename some strings
                * use constants instead of numbers
                * fix some code styling issues

Patch Set 3:    * code cleanup

Patch Set 4:    * rebased

Patch Set 5-6:  * code cleanup

Patch Set 7:    * fix comment location

Change-Id: I35e5c70fff423770a03b5bb39d439ebea82dd56a

Conflicts:
	res/values/arrays.xml
	res/values/strings.xml
	res/xml/lockscreen_interface_settings.xml
	src/com/android/settings/cyanogenmod/LockscreenInterface.java
Merge remote-tracking branch 'upstream/jellybean' into HEAD