Customizable Low battery pop-up warning (2/2)

Change-Id: Ic683da5c1cc1334d23d68d3122f7f8dcbf0f95ce

Conflicts:
	res/values/cr_arrays.xml
	res/values/cr_strings.xml
	res/xml/crdroid_settings.xml
	src/com/android/settings/crdroid/crdroidSettings.java