A small improvement of textures :
- Changed the grass. (it's springtime) ^^
- Changed the colors of starting grid.
- Improved the RedBull arc.
- Changed and improved the advertisers.
- Added "Tag Heuer" & "Assetto Corsa" skins for pitboard mod.
- Added "sections.ini" files. (curves names)
- Added better "ui_track.ini" file and preview.
