Added Quiet Hours

Conflicts:
	res/values/strings.xml
	res/xml/display_settings.xml
Settings:Statusbar notication count (2/2)

Change-Id: I560e6484bb203bbf1f7fc51a7bf5a5987d11e990

Conflicts:
	res/values/gummy_strings.xml
	res/xml/status_bar_settings.xml
	src/com/android/settings/gummy/StatusBar.java