Update CE docs
Update CE docs with revisions made in:
-
MRs: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2350 => https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12875 + https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2433 -
Issues: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2330 => https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12881 -
Issue Boards: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2296 => https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12543 -
Groups: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2385 => https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12888 + https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2442
Edited by Marcia Ramos