add ssl option
fix the problem not set "ssl: true" in /var/opt/gitlab/gitlab-rails/etc/smtp_settings.rb when set "gitlab_rails['smtp_ssl'] = true" in /etc/gitlab/gitlab.rb.
the issue in https://gitlab.com/gitlab-org/gitlab-ce/issues/3498
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
fix the problem not set "ssl: true" in /var/opt/gitlab/gitlab-rails/etc/smtp_settings.rb when set "gitlab_rails['smtp_ssl'] = true" in /etc/gitlab/gitlab.rb.
the issue in https://gitlab.com/gitlab-org/gitlab-ce/issues/3498