Add a kibana search action_url for bouncer 501 alert
Add a kibana search action_url for bouncer 501 alert

A kibana search is more informative than a graphite graph when it comes
to identifying the problems caused here.  This will directly take you to
the 501 events and allow you to determine what specifically caused the
501 in the first place.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet