Update 1.8

Moved over to steam networking - old networking is gone.
New version will now allow anyone to connect to anyone on steam.
No more port-forwarding - it just works.
Incompatible with old versions because of this change.
Upgraded engine - should load + run better.
Moved map editor into it's own launch option.
Allow host to change FF vs TDM percentage chance for their lobby.
--- BAD NEWS ---
Had to remove IP connecting - but connecting through steam is better anyway.
Because of the Networking overhaul some achievements may not be unlock-able - report them and I will try to fix them.