Add PowerWidget settings

Change-Id: I4c34812be0bc39dbe93e21a29682717ccf9c077f

Conflicts:
	res/values/arrays.xml
	res/values/config.xml
	res/values/strings.xml
	res/xml/settings_headers.xml
Add Display Rotation settings

Originaly authored by Robert Burns (burnsra)

Change-Id: I4f96b3f804ee4732b277c35340790f3561d69764

Conflicts:
	res/values/strings.xml
	src/com/android/settings/DisplaySettings.java