Spa graphic updates

Last Upd. 24/11/05: addons by Seegert

Circuit is updated with addons by Sébastien Riou (see Racesimcentral thread NEW Textures for SPA-FRANCORCHAMPS & BREMGARTEN).
1-download "SPA-FRANCORCHAMPS Mod" Ver. 1.1 October 2003 4'122 Ko from modif.
2-extract files into gpl/tracks/spa directory.
Realistic horizon by Seegert, from RSC thread Spa - getting it "right".
1-download seegert spa horizon version 1.2 sept 04.zip and seegert spa additionals 1.zip and extract all their files into gpl/tracks/spa dir, overwriting when requested.
2-download english flag + bosch battery.zip and extract all its files into gpl/tracks/spa dir, overwriting when requested.