Use full prefix in sitemap urls (#4035)
Use full prefix in sitemap urls (#4035)

* fix sitemap

* fix linting

* change isDemo flag

* update snapshots

* http scheme as val

* conf.http.uri

* undo not on master

* new snapshots

scalableminds/webknossos,scalableminds/webknossos,scalableminds/webknossos,scalableminds/webknossos,scalableminds/webknossos,scalableminds/webknossos