unknown type can now be ignored when loading a flow. Thanks to Manuel Montero for reporting

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17513 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing initialization order for gaming mode, refs #36

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17514 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
Merge branch 'master' into planet