Allow homescreen widgets on the lockscreen (2/2)

Change-Id: I0dfb20053cb8007d76640314913ab28d9f2005f2

Credit: Dshoe
https://github.com/AOSP-Xperience/android_packages_apps_Settings/commit/713ff6945c68dd05c9291dac407352bd015f340b
(cherry picked from commit 429f8043fe824c9b5d6f956ab0c5062e2afd2d99)

Conflicts:
	res/values/cm_strings.xml
	res/xml/lockscreen_interface_settings.xml
	src/com/android/settings/cyanogenmod/LockscreenInterface.java