[Checkins] [zopefoundation/z3c.template] 2f12b2: Update version pins and major number per review.

[GitHub]

  Branch: refs/heads/issue3
  Home:   https://github.com/zopefoundation/z3c.template
  Commit: 2f12b2ce2f447fa65213b8166468d637b60c1bc8
      https://github.com/zopefoundation/z3c.template/commit/2f12b2ce2f447fa65213b8166468d637b60c1bc8
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2017-10-17 (Tue, 17 Oct 2017)

  Changed paths:
    M CHANGES.rst
    M README.rst
    M setup.py

  Log Message:
  -----------
  Update version pins and major number per review.