adding failing tests, refs #1458, #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17201 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
adapting to new error messages, adding bestLane stop tests, refs #1458, #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17202 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
adding better error handling for stops, fixing best lanes computation with stops, fixes #1458

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17203 29f149b2-0c63-11e1-8f5c-a347f6a9acd0