[Checkins] [zopefoundation/z3c.pt] aad361: Python 3.x support (#1)

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/z3c.pt
  Commit: aad3614db36fc62ea28628253b2d1a588c7f676b
      https://github.com/zopefoundation/z3c.pt/commit/aad3614db36fc62ea28628253b2d1a588c7f676b
  Author: Michael Howitz <mh at gocept.com>
  Date:   2016-09-02 (Fri, 02 Sep 2016)

  Changed paths:
    M .travis.yml
    M CHANGES.txt
    M CONTRIBUTORS.txt
    M buildout.cfg
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Python 3.x support (#1)

Added support for Python 3.4, 3.5, PyPy and PyPy3 but dropped support for Python 2.6.

Plus some clean-up.