Update list for Real US Flag Screensaver

Real US Flag Screensaver 2.1 changelog from April 3, 2010

Option to set the flag thickness.

Real US Flag Screensaver 2.0 changelog from February 16, 2010

Shadows, fabric effect, multiple positions

Older Real US Flag Screensaver versions:

• 2.1 (Apr 3, 2010) • 2.0 (Feb 16, 2010) •