Update SSL cipher list to remove weak ones ( suggestion )
FD ticket: https://support.gridpane.com/a/tickets/61457
Issue: The following ciphers are listed as weak by SSL labs
ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:
These can be removed but unless we want them for compatibility with older machines etc.