CE -> EE port: System notes meta data
Port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9964 to EE
EE specific: approvals
Same changes as in the CE MR.
Edited by Coung Ngo
Port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9964 to EE
EE specific: approvals
Same changes as in the CE MR.