ETS2 - Expanded Boundaries V0.1.1

Changelog from 0.1.1:
- Erfurt:
 - fixed holes in map
 - added connection to a gas station on the A38
 - added/detailed a few roads
 - added gas station
 - added Tradeaux
 - removed invisible walls

- Leipzig:
 - unblocked and added detail to a few roads

Authors: T0stbrot