fixing file headers #22

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16005 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
making number of lanes a required attribute in amitran networks, refs #2

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16006 29f149b2-0c63-11e1-8f5c-a347f6a9acd0