switch bsv and python to 640x480
add richard's bit file from 87021fc
Merge branch 'master' into ruhler-scemi-update
Merge branch 'ruhler-scemi-update' of https://github.com/rdeits/adaptive-PIV into ruhler-scemi-update
Merge branch 'ruhler-scemi-update' of https://github.com/rdeits/adaptive-PIV into ruhler-scemi-update
feedback on image packet write
add results from fully functional 640x480 design