Use real holo background on ICS+.
Use star icon provided by framework.

Provides us with a holo-styled star for free.
Improve composer background coloring on Holo.
Resize contact images to display size

Display size was changed in 20d229c91bf70dbfefd72d83d08206d4a70243f6
Merge pull request #254 from maniac103/holo-improvements

Holo improvements