going back or forward more than 10 board position displays progress HUD
async command progress HUD now respects interface orientation changes
the value label on TableViewSliderCell can now be hidden
replace "PlaceStoneUnderFinger" user preference with "StoneDistanceFromFingertip"
add new user preference "score when game ends"
add new user preference to enable/disable logging at runtime
include log files in bug report diagnostics file
fix for iOS 6 / iPhone: table view background is generated correctly
cleanup: use UIViewController's designated initializer