Fully complete all knife situations #2

Resolved a few more issue and make some new enhancements

Hardcoded team names #6
Prevent player to join opposite team #5
Match status update #4

Task-list -> #1

• Change match state to live on 3
• Make 3 round restarts
• Change match state to live

Task-list -> #1

• Change match state to knife if all players ready and warmup ended
• Wait for winner's teamleader decision (stay or swap)

Task-list -> #1

• Initialize database connection
• Set match id based on command line
• Store granted players steam ids
• Check if player granted to access server (based on his steam id)
• Set player nick name if different
• Set player team
• Change match state to warmup if first player connected