Turns out we don't need a Ruby SDK for Facebook
Added assets for Freebirds
Added Freebirds-related constants
Added Freebirds-related columns to the users table
Updating freebirds access tokens automatically
...
Passing the Freebirds access token to the front-end
Added the "freebirds_user" attribute where appropriate.
Support for sending notifications to Freebirds users