Happy halloween!

- Uses protocol 71
- Single player campaign re-organized (Thanks cosmo)
- 'Depreciated' client for Windows 9X in addition (lacks ipv6 support)
- New hitsound
- New map: ps37ctf
- New map: ctf_gate1
- New map: am_galevish
- Space Marine should no longer crash on old client
- Chaingun works in unlagged now
- non-Free texture folders from previous release removed (this also removes the schism and q3dm6ish-v2 map)