ROMControl: Remove Prefs Per Option State

Also clarified some strings.

PS2: Remove Notification Alpha if wallpaper isn't set
PS3: Formatting.
PS4: Reoganize GeneralUI; remove prefs based on DPI;
     hide clock options if clock is hidden
PS5: Fix whitespace
PS6: More Prefs

Change-Id: I21f77eaf123a8b7f1cb07c00bba71239cfe420e0

Conflicts:
	res/xml/prefs_ui.xml
	src/com/aokp/romcontrol/fragments/StatusBarBattery.java
	src/com/aokp/romcontrol/fragments/StatusBarClock.java
	src/com/aokp/romcontrol/fragments/StatusBarSignal.java
	src/com/aokp/romcontrol/fragments/UserInterface.java
Assets

Change-Id: I62b1f3259ce4692e38adc9c130d1ca3a143e639f