[Checkins] [zopefoundation/Zope] f8e7ab: - revive the removed History tab (#675)

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: f8e7ab6811684ce4c7ea60e1334271f7d2cdb747
      https://github.com/zopefoundation/Zope/commit/f8e7ab6811684ce4c7ea60e1334271f7d2cdb747
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-07-24 (Wed, 24 Jul 2019)

  Changed paths:
    M CHANGES.rst
    M src/OFS/DTMLMethod.py
    A src/OFS/History.py
    A src/OFS/dtml/history.dtml
    A src/OFS/tests/testHistory.py
    M src/Products/PageTemplates/ZopePageTemplate.py

  Log Message:
  -----------
  - revive the removed History tab (#675)