[Checkins] [zopefoundation/Zope] 56fa3f: Update to new releases.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 56fa3fe96779cd0e1939f683acce12fe20182676
      https://github.com/zopefoundation/Zope/commit/56fa3fe96779cd0e1939f683acce12fe20182676
  Author: Hanno Schlichting <hanno at hannosch.eu>
  Date:   2017-05-17 (Wed, 17 May 2017)

  Changed paths:
    M CHANGES.rst
    M buildout.cfg
    M requirements-full.txt
    M versions-prod.cfg

  Log Message:
  -----------
  Update to new releases.