adding permission setting and refactoring rerouter, refs #1518, #12

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17475 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
adding and fixing rerouter tests, refs #1518, #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17476 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing and adding route cutting tests, refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17477 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
adapting to new rerouter intervals, refs #21

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17478 29f149b2-0c63-11e1-8f5c-a347f6a9acd0