[2/3]Quiet Hours

Squash commit from:
 Quiet Hours (2/2) thanks cm

slimrom mods && omni adaptation

PS3: fix class paths
PS4: clean up :P
PS5: Google dialer check
PS6: Don't remove ringer mute option, just disable it

Change-Id: I9ca1894f3d2a7a949082e97ba7e959d018495896
Merge "[2/3]Quiet Hours" into kitkat
Merge remote-tracking branch 'PA-settings/kitkat' into kitkat-remix

Conflicts:
	AndroidManifest.xml
	res/values/pa_arrays.xml
	src/com/android/settings/Settings.java
	src/com/android/settings/SoundSettings.java