game.so:
- clean up monsters/

ctf:
- the world model has no clip in spectator mode?!

client:
- Integrate a signalhandler and print an backtrace with Maxims
  libexecinfo (only 2 sourcefiles, BSD licensed)
- Add a optional overwrite for the defaults.cfg
- Rename the config.cfg to yq2config.cfg for compatiblity with other
  sourceports

doc:
- Write a new, much more polished homepage