Add reset option to clock color (2/2)

Original from Arvind Raman and kufikugel. Thanks!

Change-Id: Icb0302840bca34ab045fca4eab3fb8cf6670b56c
NavigationBar and StatusBar backaground, transparency and colors (2/2)

Thanks to Kufikugel and SlimRom Team

Change-Id: Ia710fb0881e9b85f26e4fa7ceb8ad94265b5001c

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
Navbar,statusbar transparency