IGI 2 UK Update 1.1

Fixes:
- Removed 'CD-authentication failed' messages on clients.
- Fixed bug in weapon system causing network overload (unable to spawn, unable to change weapon).
- Possible to specify alternative network config files when starting server. See MP-README.txt for details.
- Fixed a spawn bug preventing players from sending new spawn requests if they were initially denied spawning.
- Fixed problem with being thrown out from the terrain when sliding.
- Fixed limiting of view-angle when lying down.
- Fixed bug that left one player with no weapon when 2 players simultaneously tried to pick up a weapon.
- Fixed Mission Complete credit, always showed server local player in listen mode.
- Fixed so dead players don't stand up where they died if respawning while they are in the death sequence.
- Fixed so weapons don't get stuck some times with autofire after dead.
- Fixed so bomb don't explode many times with laggy network.
- Fixed so players can't fire while disarming bomb.
Removed player-corpses' knife-slashes which killed other players.
- Added the display of servername to score-screen
- Enabled players who join after Obj1 is completed to disarm planted bomb.