Distributed ports around the map.
Merge branch 'master' into balancing
Changed most ports to buy ports, 3 remaining sel ports.  Rum rates at ports (and ship) still need to be updated.
Merge remote-tracking branch 'origin/master' into balancing
Adjusted update time passed into game view and game logic updates by the game time factor.
Adjusted max rum at certain ports, capped rum price at 10 G.
Adjusted a bunch of port parameters, increased ship movement speed and added a non-zero rum change for the ship.
Merge pull request #49 from fenaren/balancing

Balancing