silence warnings in allies03/04
Add a 'Shutting down' state to the gameserver.

Tell the masterserver about it, so it can quickly remove games
from the list when they are finished, rather than waiting for the
5 minute TTL to expire.
Added Buildable->BuildLimit option to limit the number of actors a player can build of the type
Added a build limit of 1 to Tanya and Volkov

Added the build limit of 1 to MSLO
Checking for build prerequisites before showing them in a tooltip
Update mods/ra/music.yaml

Mud no longer crashes: Bring it back in.
Removed mouse capture while composing text in chat (fixes #2486)
Fix a lack of difficulty dropdown yaml in other mods (d2k/cnc) causing crashes
Fix mechanic being able to repair infantry. Adjust mechanic repair damage from 20 to 10
Change mech hotkey to c
Make oil derricks repairable by engineers
Fix untargetable barrel in Soviet 01