[Soved] Dragen node down for upgrade

Update: Dragen has been updated to CentOS7 and licenses have been renewed starting August 1 2020 till July 31 2022. Access to Dragen has been revoked for all projects except p22. Access to Dragen can however be requested by sending an email to TSD.

We're upgrading Dragen to CentOS7 and installing the new filesystem. We will update the log when its back online.