Two new framework classes to further specify why a player won
Added Forfeit-handling code to the FixedServer
Added "all others forfeit" recognition to the FixedServer.
Added Tie recognition to the FixedServer
Started work on better GUI.
Added blocking, unblocking, jokering and unjokering of fields to the
Swing GUI
Fixed a bug in the FixedServer which would allow jokering and unjokering
without tests