changes:
* Network game (port 3826 is registred by IANA for Wormux)
* A lot of bug fixes (memory leaks, useless code deleted ...)
* 15 new maps
* New weapons: Flamethrower, Football bomb, Cluzooka
* Minimap preview
* Camera improvements
* Better use of anti-aliasing
* Water/lava particles added
* Various graphical improvements
* Sound cache: no more lag on explosion
* More sounds and musics
* Better characters: Better positions, characters' eyes follow cursor,...
* Weapons tweaking
* Smaller step in angle selection when pressing Shift
* Menus compatible with smallest resolutions
* Help section added (menu explaining shortkeys and howtoplay.pdf documentation provided)
* Language selection
* "Looking for updates" option
* Volume control option
* Joystick support
* Improve collision detection, cursor,...
* User dir as XDG recommandation (Freedesktop)
* Initial management of command line options
* Experimental random map generator and skin viewer
* AI improvements (still stupid so still hidden feature)
pkgsrc note: rewrote the patch which fixes some broken/nonportable
geometry calculations, explosion craters look much nicer now
