Scania 4 2.2.1

Mod added Scania 4 series, replace one of Scania R in truck dealer.
Truck have oryginal interior with animation, and advance tuning options.
Mod tested and working on v1.22

Changes in v2.2.1
- Mod is compatible with DLC Cabin Accessories 
- Interior is now more brighter
- Fixed dashboard computer
- I added daytime running lights (avable in workshop)
- Changes in definiton of tandem trailers
- I added missiong .mat files