RC: longpress to kill app option for hardware key

P2: moved >>> General UI
    specified hardware key on strings

Change-Id: If5bf69de187c241bf574c38bdd6cc3681cc26350
Signed-off-by: Jonathan Steadman <xxwhitehawk@gmail.com>

Conflicts:
	res/values/strings.xml
	res/xml/prefs_ui.xml
	src/com/aokp/romcontrol/fragments/UserInterface.java