[Checkins] [zopefoundation/Zope] 147640: Install new enough, but not latest setuptools.

[GitHub]

  Branch: refs/heads/travis-trusty
  Home:   https://github.com/zopefoundation/Zope
  Commit: 14764007e3027db9f3113303bd080c3472fbd40a
      https://github.com/zopefoundation/Zope/commit/14764007e3027db9f3113303bd080c3472fbd40a
  Author: Hanno Schlichting <hanno at hannosch.eu>
  Date:   2017-04-27 (Thu, 27 Apr 2017)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Install new enough, but not latest setuptools.