[1/2] Settings: interface settings restructering

Change-Id: I3de1cc9367deaa31baf6c2e86b8da7084ef788d1

Conflicts:
	AndroidManifest.xml
	res/values/custom_strings.xml
	res/xml/settings_headers.xml
	src/com/android/settings/Settings.java

Port some Omnirom Features to AOSCP-4.4.2