applicake/doorkeeper — pull request #346 by jdoconnor (2014-01-24 17:55:45+00:00)
Title: include the scope string in the code response

Optional according to
http://tools.ietf.org/html/rfc6749#section-4.2.2

This is required if the scopes requested aren't granted (such as if a client requested "a b", but our oauth provider only accepts "a"