refactoring refs #12

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16587 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fix #1339

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16588 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
patching expected results after [16588] refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16589 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fix #1342

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16590 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
removing reference to non-existing test refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16591 29f149b2-0c63-11e1-8f5c-a347f6a9acd0