* fix score file, was in an odd location (/var/lib/lib/games) and
gamestat group wasn't used
* tidy patches and add bugref for one (haven't found for the other)
* GPL-2 -> GPL-2+
* depend on libsdl[sound]
* replace .bmp icon, neither right format nor size (800x600!) to be
valid for XDG and no guarantees it can be displayed by everything
Signed-off-by: Ionen Wolkens <ionen@gentoo.org>