fixing shebangs in tool scripts, refs #3

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15341 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
reverting accidental net commit, refs #22

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15342 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing example extraction, refs #2

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15343 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
Merge branch 'master' into planet