FIX: kartenboden_setzen makes gr invalid

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6892 8aca7d54-2c30-db11-9de9-000461428c89
FIX bound check to access water_hgt

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6893 8aca7d54-2c30-db11-9de9-000461428c89
FIX: sometimes north neighbour tile were not lowered correctly

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6894 8aca7d54-2c30-db11-9de9-000461428c89
FIX: remove shadow dates left in crossing besch

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6895 8aca7d54-2c30-db11-9de9-000461428c89
Orientation for station extension are wrong

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6896 8aca7d54-2c30-db11-9de9-000461428c89
squelch some warnings

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6897 8aca7d54-2c30-db11-9de9-000461428c89
ADD: makeobj can now warn about unused entries (makeobj verbose pak... or makeobj debug pak...)

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6898 8aca7d54-2c30-db11-9de9-000461428c89
Makebj: Name the obj for error messages

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6899 8aca7d54-2c30-db11-9de9-000461428c89
Merge branch 'master' into scaleable-gui