Merge branch 'tg/doc-sec-list'

Doc update. * tg/doc-sec-list: note git-security@googlegroups.com in more places SubmittingPatches: replace numbered attributes with names

Junio C Hamano committed Jun 4, 2018 at 21:39 UTC 7fe48cb39612d695240f64313b3aff9d4c3ccc43

No changes.