Update cr_strings.xml

fixes and added
Merge pull request #238 from prinsnmx/patch-12

Update cr_strings.xml
Change "Stay Awake" description to match behavior

Stay awake acts on "plugged in" state, not "charging" state.  Update description to accurately reflect this behavior.

Change-Id: Ibad7eb8b465f31d1b6d835348eb23962657fd892

Conflicts:
	res/values/cm_strings.xml
Fix duplicate notification light string

Change-Id: I6783672d4027a147cf5f942a4618826c367cf97a
Merge branch 'cm-11.0' of https://github.com/temasek/android_packages_apps_Settings into HEAD