Pack American trucks for Mario Map v11.8-v11.9

Pack American trucks for Mario Map v11.8-11.9 in Ets2

(updated 22.10.2016)

Features:

- Fixed bugs, added a lot of skins for all trucks.
- A new truck Kenworth t660.
- All trucks are included in the traffic and orders agencies.

Tested on 1.25.x - 1.25.2.6s game versions with Mario Map v11.8 - v11.9