[Checkins] [zopefoundation/AccessControl] d2099b: - finalize tox config and simplify Travis CI config

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: d2099bc96a5e1036e01f49825e3ae56b77afe636
      https://github.com/zopefoundation/AccessControl/commit/d2099bc96a5e1036e01f49825e3ae56b77afe636
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-04-10 (Wed, 10 Apr 2019)

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

  Log Message:
  -----------
  - finalize tox config and simplify Travis CI config