adding anotherfilter to cope with concurrent error message output, refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16557 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing clang warnings, refs #3

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16558 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing svn props, refs #22

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16559 29f149b2-0c63-11e1-8f5c-a347f6a9acd0