Checkmate developers

Sjoerd - sjoerd-checkmate%linuxonly nl

With help from:
* Erwin Eggenberger - eeggenberger%spunklab com
* Lukas "Luke" XXX - luke2%zoznam.sk
* Natch - natch%natch.net
* Rich Bramante - rich_bramante%yahoo.com
* Itzchak Rehberg - izzysoft%qumran org
  RPM packages
* Pascal Bleser - guru%linuxbe org
  RPM packages
* Damir Perisa - salber%acm org
  Arch Linux package
* Daniel Salber - damir.perisa%bluewin ch
  Fink packages