Add new themes items to personalization menu

Bring in logic for the new chooser. If TMO chooser is installed it will get
first priority.

Change-Id: Ia8e852e5e5ad2465d0b9b73f16c7080a7337bb8a

Conflicts:
	res/values/cm_strings.xml

Comment out wallpaper stuff
Themes: List ThemeSettings as a valid fragment

This fixes a force close in Settings in tablet mode.

Change-Id: I6542feba0d0fa8491ab9e092a90709d1034ffca8

Conflicts:
	src/com/android/settings/Settings.java
Add missing mdpi, hdpi, xhdpi drawables for new theme engine

Change-Id: I70dd75257f0e3a0a20b844a1ea3cc36506de177b