(ny911) make scenario info window slightly larger

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7404 8aca7d54-2c30-db11-9de9-000461428c89
scenario: ADD scnearion.translation to mention possible translators

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7405 8aca7d54-2c30-db11-9de9-000461428c89
FIX: begin_class will push a dummy class if requested class is not found

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7406 8aca7d54-2c30-db11-9de9-000461428c89
sqapi: add function get_debug_text to fill the debug tab of the scenario window

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7407 8aca7d54-2c30-db11-9de9-000461428c89