Override mirage to accept a / namespace
Override mirage to accept a / namespace

This is necessary until we move up to mirage 0.2 as it mitigates a bug
where specifying no namespace doesn't work.

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