[$] A status update for virgl

At the 2018 X.Org DevelopersConference, Elie Tournier gave an update on the state of the Virgil (or virgl) virtual 3D GPU forQEMU. He looked at the project's history along with what hashappened with it over the last year or so. As is usual in a status updatetalk, he finished with some thoughts about future plans for virgl. For thelast year, Tournier has been working on virgl for Collabora.