[Checkins] [zopefoundation/Zope] 89fff4: Drop Python 2.7 support in package configuration.

[Michael Howitz]

  Branch: refs/heads/prepare-zope-5
  Home:   https://github.com/zopefoundation/Zope
  Commit: 89fff4c2c60d468ce9474266e6416cfd3811a844
      https://github.com/zopefoundation/Zope/commit/89fff4c2c60d468ce9474266e6416cfd3811a844
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-08-29 (Thu, 29 Aug 2019)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    M appveyor.yml
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Drop Python 2.7 support in package configuration.