[Checkins] [zopefoundation/Zope] 9c54e3: close opened db during shutdown (#740)

[Jens Vagelpohl]

  Branch: refs/heads/4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: 9c54e341d8c1555a222b4ba19e03e3ae298cf7c2
      https://github.com/zopefoundation/Zope/commit/9c54e341d8c1555a222b4ba19e03e3ae298cf7c2
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-11-29 (Fri, 29 Nov 2019)

  Changed paths:
    M CHANGES.rst
    M src/Zope2/Startup/serve.py

  Log Message:
  -----------
  close opened db during shutdown (#740)

* close opened db during shutdown

* refs

* sort import