Remove links from docker compose file
Remove links from docker compose file

Links are a legacy option. So that commit move from links to aliases.

Fix #156

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