fixed butt jump to work even when up-key is not pressed, added a little jump after...

fixed butt jump to work even when up-key is not pressed, added a little jump after breaking a brick. The thing still has problems with breaking the correct fix, as the used position is not the actual one, but the target position for the next frame, so you can break some bricks that aren't reachable normally

SVN-Revision: 1251