Use a controller variable in game show

This makes the load time bearable.
Prevent crash when no teams are in-game
Add alive_members function to Team
Utilize alive_members method
Fix change in eliminated method
Do not link to what user cannot see
Finish last commit
Only populate contract_order_teams if the game is in progress
Do not add terminators into contract order
Do not show terminators as participants
Terminators cannot be terminated
Auto-confirm kills made by an admin