adding units to emission comparison

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17300 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing svn props, refs #22

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17301 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing headers, refs #22

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17302 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
adding missing header file, refs #3

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@17303 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
Merge branch 'master' into planet
Merge branch 'planet' of https://github.com/planetsumo/sumo into planet