Add "nice" error pages for SSaaS failures
Add "nice" error pages for SSaaS failures

SSaaS now returns errors with appropriate status codes when requesting a page to screenshot fails. We can use these to render nice errors in spotlight when following broken PNG links.

alphagov/spotlight,keithiopia/spotlight,tijmenb/spotlight,tijmenb/spotlight,keithiopia/spotlight,alphagov/spotlight,tijmenb/spotlight,alphagov/spotlight,keithiopia/spotlight