Special Transport Escort Police Mod v1.0

New changelog in v1.1
- Updated to make fully compatible with the 1.36 update.

This mod will replace the front escort van with the relevant police car for
the country that the special transport mission starts from.

For example if the route for the special trnasport mission starts in Germany
but will finish in the Netherlands then this mod will replace the front escort
van with the police car for Germany.