HDUKE 20a changelog

- fixed forcerespawn
- {AO}Tech is new in bot list and in .ART he will live forever in hduke!
- fixed usermap bug in menu
- New fraglimit option in new game
- demo1.str eating char fixed
- Special Master Slave mode ( host need use -ms or -masterslave command for host player)
- Fixed Spectator bug now spec players will be the last in the players list.
(broke old demos with spectator and 3 players )
- fixed demos path using nnlinks\ now will get maps from /maps
- fixed demos path without any path like old yang and meltdown demos 
- fixed spectators bug when quit the game.
- spectators automatic jump the bonus screen