[Checkins] [zopefoundation/Zope] 1fe9a2: Switch tox/travis to running alltests again.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 1fe9a23fa5e45f6af2149ca51c1649ab62b1397b
      https://github.com/zopefoundation/Zope/commit/1fe9a23fa5e45f6af2149ca51c1649ab62b1397b
  Author: Hanno Schlichting <hanno at hannosch.eu>
  Date:   2017-05-17 (Wed, 17 May 2017)

  Changed paths:
    M .travis.yml
    M tox.ini

  Log Message:
  -----------
  Switch tox/travis to running alltests again.

This gets us a bunch of new test failures, all in Products.MailHost.