added prop version

- added additive shader submesh
- renewed mesh
- renewed textures
- changed v/max speed to 70kph (changed speed factor from 70 to 14)

- fixed headlights sticking out of the mesh
- edited pantographs (Pantograph on the trailer is folded, pantographs are doublesided)
- added line number plates at the side of the carriages
- Line number plates are now color variable
- changed number of doors