message: model-server: do not apply content-encoing: gzip to tar.gz resposes
diff: @@ -44,7 +44,14 @@ configureServer();
  function startServer() {
  let app = express();
  - app.use(compression(<any>{ level: 6, memLevel: 9, chunkSize: 16 * 16384, filter: () => true }));
  + app.use(compression({
  + level: 6, memLevel: 9, chunkSize: 16 * 16384,
  + filter: (req, res) => {
  + const ct = res.getHeader('Content-Type');
  + if (typeof ct === 'string' && ct.indexOf('tar+gzip') > 0) return false;
  + return true;
  + }
  + }));
  initWebApi(app);
  