Default freelist debugging off again

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6569 8aca7d54-2c30-db11-9de9-000461428c89
(Max-Max) First preparation for GUI overhaul

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6570 8aca7d54-2c30-db11-9de9-000461428c89