Put serverVariables stuff into iliosConfig
Put serverVariables stuff into iliosConfig

Our config service is a better home for this information since we can
control what is returned. This prevents trailing slashes from
accidentally making it in as well as handles empty strings better.

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