Customize our mirage serializer
Customize our mirage serializer

Other than declaring REST over JSONApi this is a monkey patch for
changes we have requested in mirage to properly handle the relationships
in a REST api environment.

ilios/frontend,dartajax/frontend,dartajax/frontend,thecoolestguy/frontend,djvoa12/frontend,thecoolestguy/frontend,ilios/frontend,djvoa12/frontend,jrjohnson/frontend,jrjohnson/frontend