[Checkins] [zopefoundation/Products.BTreeFolder2] ccadc7: Update to require and be compatible with Zope 4.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Products.BTreeFolder2
  Commit: ccadc793dfa366db979a570ec1c7f62341805f7e
      https://github.com/zopefoundation/Products.BTreeFolder2/commit/ccadc793dfa366db979a570ec1c7f62341805f7e
  Author: Hanno Schlichting <hanno at hannosch.eu>
  Date:   2016-10-26 (Wed, 26 Oct 2016)

  Changed paths:
    M CHANGES.rst
    M setup.py
    M src/Products/BTreeFolder2/BTreeFolder2.py

  Log Message:
  -----------
  Update to require and be compatible with Zope 4.