code cleaning, documentation

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@14738 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
code cleaning, documentation

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@14739 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
adapting tests to the current behaviour (sorting not joinable intersections)

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@14740 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
test for #1035

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@14741 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
adapting speed factor to departure speed, refs #1035

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@14742 29f149b2-0c63-11e1-8f5c-a347f6a9acd0