ROMControl: Remove Prefs Per Option State

Also clarified some strings.

PS2: Remove Notification Alpha if wallpaper isn't set
PS3: Formatting.
Change-Id: I21f77eaf123a8b7f1cb07c00bba71239cfe420e0

Conflicts:
	src/com/aokp/romcontrol/fragments/StatusBarBattery.java
	src/com/aokp/romcontrol/fragments/StatusBarSignal.java
	src/com/aokp/romcontrol/fragments/UserInterface.java