- fixed Horsecarts not being visible

- fixed Ports being spawned at wrong locations (need to redo this sometime)

- updated for 1.3

- adjusted some more port cities
- increased zeppelin flying altitude and adjusted its size

- fixed reported issue in 02_railroad_vehicles.txt

- adjusted some port cities to sit properly by the water and not on land (probably more to follow)
- adjusted the scale of culture specific factories

- increased distance between ships on the same shipping lane
- adjusted some special buildings to fit better into their cities

- adjusted american special buildings. Now they fit neatly into their cities

- adjusted vatican state position

- fixed electrical and diesel trains sometimes not beeing connected to their wagons
- adjusted scale of cars and trucks
- increased distance between ships on the same shipping lane