Adds massive cargo ships to the game, that function similarly to trains. Also adds tanker ships, train bridges. NOTE: In 2.1, You Must Install Oil Rigs Separately!
When opening the tips and tricks Building waterways, you get an error saying for the animation:
Cannot execute command. Error: LuaItemPrototype doesn't contain key fuel_category.
I think this was renamed to fuel_categories in one of the updates.
