added test for osmBuild.py

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16326 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing deprecations refs #12

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16327 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing warnings refs #12

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@16328 29f149b2-0c63-11e1-8f5c-a347f6a9acd0