extending interface refs #1374

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16762 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fix #1379. script is obsolete anyway though. see http://sumo-sim.org/trac.wsgi/wiki/ScriptDay

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16763 29f149b2-0c63-11e1-8f5c-a347f6a9acd0