IPv6 Support for nginx
since nginx is build with "--with-ipv6"(https://gitlab.com/gitlab-org/omnibus-gitlab/commit/d1d99b9c921b67ef0c915c7ce29440665d95aa65) we should use it :)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
since nginx is build with "--with-ipv6"(https://gitlab.com/gitlab-org/omnibus-gitlab/commit/d1d99b9c921b67ef0c915c7ce29440665d95aa65) we should use it :)