[Checkins] [zopefoundation/MultiMapping] 1af8e4: Update compatibility to Python 3.4/3.5.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/MultiMapping
  Commit: 1af8e44d40561c51bf78242c755db133d5356fe5
      https://github.com/zopefoundation/MultiMapping/commit/1af8e44d40561c51bf78242c755db133d5356fe5
  Author: Hanno Schlichting <hanno at hannosch.eu>
  Date:   2016-04-03 (Sun, 03 Apr 2016)

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

  Log Message:
  -----------
  Update compatibility to Python 3.4/3.5.