[Checkins] [zopefoundation/Zope] e5af6e: Sync with master.

[GitHub]

  Branch: refs/heads/gh-pages
  Home:   https://github.com/zopefoundation/Zope
  Commit: e5af6eb89c31d0ac18cefc0f8de4dfcd7d6f168d
      https://github.com/zopefoundation/Zope/commit/e5af6eb89c31d0ac18cefc0f8de4dfcd7d6f168d
  Author: Michael Howitz <mh at gocept.com>
  Date:   2018-10-03 (Wed, 03 Oct 2018)

  Changed paths:
    M README.md
    M build_index.sh
    A releases/master/constraints.txt
    M releases/master/requirements-full.txt
    M releases/master/versions-prod.cfg
    M releases/master/versions.cfg

  Log Message:
  -----------
  Sync with master.



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