changelog v1.11:
- terrain smoothing by
@shin956
- new crowd_facing by
@pugsang
- skin by
@Mascot enabled by default
- lowered amb/diff/specular on many shaders
- normal bump maps added to kerbs
- grass UV rework by
@pugsang , texture update by
@Mascot
- serious debuging work by
@Mascot and
@twobegreen
