fixing svn properties, refs #22

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16845 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
can now automatically draw vehicles with constant size when zoomed out refs #1205

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16846 29f149b2-0c63-11e1-8f5c-a347f6a9acd0