Add a note about ES update to the GitLab update guide (!1428) · Merge requests · GitLab.org / GitLab · GitLab

Do not update/delete: Banner broadcast message test data

Do not update/delete: Notification broadcast message test data

Valery Sizov requested to merge es_doc_update into master Mar 15, 2017

Closes https://gitlab.com/gitlab-org/gitlab-ee/issues/1585

/cc @nick.thomas