[Checkins] [zopefoundation/zope.interface] f86c31: Add support for Python 3.6.

[GitHub]

  Branch: refs/heads/macpython
  Home:   https://github.com/zopefoundation/zope.interface
  Commit: f86c3169cfb0242b546c9fe7534e1348584aba35
      https://github.com/zopefoundation/zope.interface/commit/f86c3169cfb0242b546c9fe7534e1348584aba35
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2017-01-16 (Mon, 16 Jan 2017)

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

  Log Message:
  -----------
  Add support for Python 3.6.

Also use macpython for all the mac builds. See
zopefoundation/persistent#59