[Checkins] [zopefoundation/ZODB] 521720: Drop support for Python 2.6 / 3.2.

[GitHub]

  Branch: refs/heads/drop-py26-py32-support
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 521720f8a088159733aa33e831c68cfa0b2e4037
      https://github.com/zopefoundation/ZODB/commit/521720f8a088159733aa33e831c68cfa0b2e4037
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2016-03-17 (Thu, 17 Mar 2016)

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

  Log Message:
  -----------
  Drop support for Python 2.6 / 3.2.

3.2 is no longer supported by our packaging / CI tools.

2.6 is long out-of-support from Python devs.