Floor Painter

Added the floor painter: a device to paint floor tiles, plating and reinforced floors in various colors and ways. It is pretty good for finalizing engineering constructions and repairs.

You can also use it to make commerative plaques with unique descriptions, like the one at Arrivals. You can also paint plaques over with ordinary floor to remove them.

This device is added to the list of MoMMI modules, so they can paint the station or Derelict too. 

It uses placeholder graphics for now (RPD). I will try to sprite it later, but I hope someone more skilled will do it. It's not added to the map yet, but I have a map patch for this.