Sumo game: disabled old highway scenario and replaced by a new one

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16025 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
Sumo game added one missing file, fixing svn properties, refs #22

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16026 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
Merge branch 'master' into planet