[Checkins] [zopefoundation/Zope] ba38d7: Keep buildout artifacts in tox env dir.

[GitHub]

  Branch: refs/heads/better-tox-buildout-integration
  Home:   https://github.com/zopefoundation/Zope
  Commit: ba38d7d75c4970b372ad50ec38005f1927794099
      https://github.com/zopefoundation/Zope/commit/ba38d7d75c4970b372ad50ec38005f1927794099
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2017-05-22 (Mon, 22 May 2017)

  Changed paths:
    M buildout.cfg
    M tox.ini

  Log Message:
  -----------
  Keep buildout artifacts in tox env dir.