Train Axle System 1.2

In order to be able to make realistic trains, one needs the ability to brake and to power the wheels.
Update notes:

• New chassis, directly copied from a wip mod by me(removed slots and a lot of other stuff)
• Reworked wheels.
• Added rotators for braking
• Added powertrain for braking, wheelspeed, ability to power the wheels.
• Mesh for stuff

Feel free to use this in your work, just credit me.

IMPORTANT:
To drive the axles you need to do the following:
Add an engine...