OGC Map - Ultimate Beam.NG Map | 0.31 Compatible 1.1

This update contains:

- fixed texture issuses caused by BeamNG update 0.27
- fixed ground cover in certain original map areas
- adjusted "time of day" settings and visual appeal
- added carrer garage to WCUSA
- added brand new area, plateau race track
- added new spawn point at race track
- added access to new area via gridmap (west corner) and WCUSA (near carrer garage)
- fixed more minor details here and there