FIX strange crash when no townhall was built
remove debug code


git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6984 8aca7d54-2c30-db11-9de9-000461428c89
fix sqapi documentation

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6985 8aca7d54-2c30-db11-9de9-000461428c89
CODE make haltestelle_t::alle_haltestellen a vector_tpl

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6986 8aca7d54-2c30-db11-9de9-000461428c89
CODE simplification

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6987 8aca7d54-2c30-db11-9de9-000461428c89
sqapi: add list of all halts halt_list_x

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6988 8aca7d54-2c30-db11-9de9-000461428c89
CODE remove unused define

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6989 8aca7d54-2c30-db11-9de9-000461428c89