Partial bots backport
Switch to a gamemode/mutator system
Add ST_AI
Update modestr (some systems still need to be updated)
More code changes for mutators
Backport the gamemode/mutator menus
Sacrifice the map vote's time for muts...
Add mutators to remaining spots
including the maprot
Update gamemode descriptions
Merge branch 'gamemode' into multiplayer-bots
Add maprepeat macro
Add /botbalance and /revoke
Fix server nextmutator
Partially backport server bot manager
Bots don't count towards the team size except when we're considering bots
Fix packet routing
Partially transfer bot messages
Add weapons
Merge branch 'multiplayer-bots'
Weapons should be done before proceeding.
Merge branch 'remaining-assets'