Concept Map Authoring Tool
https://www.pivotaltracker.com/projects/873405
brew install postgres
initdb /usr/local/var/postgres -E utf8
cp config/database.yml.example config/database.yml
change the database username to your username.
http://mc3.mit.edu/devguide.html http://mc3-demo.mit.edu/handcar/ https://docs.google.com/document/d/14pCDPPppofa_FJVSlyBzRf05vInBkXzChW7dal9FnOc/edit https://docs.google.com/document/d/1FWRy3esSRiQVApAuNVxFFkexCpAu5blzxjJWG53L-Os/edit