Power: allow users to choose custom battery charged/(un)plugged sounds
Conflicts:
	res/values-es/strings.xml
	res/values-hu/strings.xml
	res/values-nl/strings.xml
	res/values-zh-rTW/strings.xml
	res/values/strings.xml
	src/com/ceco/gm2/gravitybox/BatteryInfoManager.java
	src/com/ceco/gm2/gravitybox/BootCompletedReceiver.java
	src/com/ceco/kitkat/gravitybox/ModStatusbarColor.java