Added PowerStations (Generators) allowing Electric train to operate within range and, stations require nearby diesel/crude oil storage nearby to work.

Added Relays that can be used to exdend the range of PowerStations

Price and production % changes
(most buy prices are lower with prices going down quicker, but production % have been raised to balance this out)
Added Class 08

- Added Color variations to Tem2
- E4 cab controls finalised with propper models + Improved E4 texture
- Alco trench locomotive controls Improved
- Optimisations made to Locomotive cabs, This mainly Improves idle Locomotive performance allowing ever more trains to be left around the map without performace impact.
Changed files in this update