ETS2 - Busscar S1 Bus Mod V6.0 Fix

Busscar S1 bus mod for Euro Truck Simulator 2 version 1.55, created by RedeX01.

Changes:
It has only been adapted to the new version. A few errors and bugs have
been fixed

A few other additions:
skins have been improved.
shaders fixed.
added new animations.
1.55 fix

Authors: RedeX01