Settings: Expanded desktop mode (2/2)

this commit adds expanded desktop mode. You can decide if only
navigation bar, only status bar or both are hidden when expanded
desktop was activated.

This commit also sorts the entries a bit more logical and alphabetical

Patchsets: cleanup

Change-Id: I8484bee151e9f857734b11d2121a61047c49f610

- Expanded Deskptop option now shows by default on the Power menu settings.

Conflicts:
	res/values/arrays.xml
	res/values/strings.xml