ETS2 - Poland Rebuilding V2.5.7

Changelogs 2.5.7
Adapted map for ETS2 1.48 patch and ProMods 2.66
Changes in organization of some definition files in DEF archive (to be more independent)
“ST” package was merged with “DEF” archive (thanks to MOD structure changes)
Some changes in Świnoujście
Updated translations
Bug fixes

Authors: Michaleczeq