Sets the wallpaper to full-black, thus saving power on OLED displays.

Saves about 30mA of current on NexusOne compared to a typical image wallpaper (and much more compared to a live wallpaper).

After install it creates only a new "no wallpaper" entry under "Wallpapers".

Recent changes:
Nothing changed in v2, this is a dummy update needed for market rating. Absolutely no need to update if you have v1.