Make sticky mine respect lfBouncy, make hogs do same, kinda... make uCollisions return land w/ mask, restrict bouncy to advbounce gears only, which means piano doesn't bounce anymore
07f3bf8d98a3
Hedgewars.png had a resolution more than twice as high as required; also fixed some (mostly obsolete) code that also contained a typo that would cause a warning/note in clang
