Revert hog tinting from rdb65298717da since it wasn't sufficiently complete for a release. More sprites need converting, and there's a slight bug in hog tinting, for away hogs with hats I believe.
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
