ETS2 - Galvatron TF4 (BSA Personal)

Galvatron TF4 v2.2 (BSA personal) for ETS2 v1.51 or higher.

- Tested in ETS2 v1.51/ v1.52/ v1.53. The latest of those was v1.53.2.5s;
- Interior shadows support added;
- Main windows correction.

Authors: blacksitearea