[Checkins] [zopefoundation/Zope] 2f1ad3: Add missing Paste dependency.

[Michael Howitz]

  Branch: refs/heads/re-734-Paste-missing
  Home:   https://github.com/zopefoundation/Zope
  Commit: 2f1ad34c53880e09bc75d4d93b278bf90b176392
      https://github.com/zopefoundation/Zope/commit/2f1ad34c53880e09bc75d4d93b278bf90b176392
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-11-22 (Fri, 22 Nov 2019)

  Changed paths:
    M CHANGES.rst
    M setup.py

  Log Message:
  -----------
  Add missing Paste dependency.

Otherwise Zope won't start up when installed with `pip` and the
`constraints.txt` file.