merged from mininet-tools branch
merged from mininet-tools branch

carmine/open-kilda,nikitamarchenko/open-kilda,carmine/open-kilda,telstra/open-kilda,carmine/open-kilda,nikitamarchenko/open-kilda,jonvestal/open-kilda,nikitamarchenko/open-kilda,jonvestal/open-kilda,nikitamarchenko/open-kilda,telstra/open-kilda,telstra/open-kilda,carmine/open-kilda,telstra/open-kilda,carmine/open-kilda,telstra/open-kilda,telstra/open-kilda,carmine/open-kilda,jonvestal/open-kilda,telstra/open-kilda,jonvestal/open-kilda,jonvestal/open-kilda,nikitamarchenko/open-kilda,nikitamarchenko/open-kilda