20-Nov-2006: (prissi) FIX: images inside tunnel FIX: buying airplanes again FIX: minimap remembers size again FIX: old errors with too short vehicles CHANGE(tron): lots of cleaning up of data structures and doubtful code FIX: makeobj broken at several places, not really finished with fixing CHANGE: the same building must not be next to each other => nicer endgame towns FIX: AI no longer using elevated track or tramways as rails FIX: info window title for ways fixed