Highspeedtrain

Adds 3 faster Trains and a cargo wagon.
Mk1: 4 Times faster @ 73% effectivity
Mk2: 5 Times faster @ 63% effectivity
Mk3: 7 Times faster @ 50% effectivity
MK4: 50 Times faster
Wagon: Invenotry Size 60 and Maxspeed
Now with Fluid by /u/Ostrei