v1.1 changelog;
-Added groove/skidmark.
-Added support for audience to camera_facing.
-Changed background.
-Changed truck textures.
-Adjusted billboard mapping.
-Reduced number of marshalls and cameramen.
-Reduced the brightness of tire wall textures.
-Updated Nissan bridge logo texture.
-Updated building objects.
-Updated ext_config.
-Updated VAO-patch.