[Checkins] [zopefoundation/ZODB] 5667a1: make sure we can generate html

[GitHub]

  Branch: refs/heads/merge-zodbdocs
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 5667a1b8a7039dc27c7e372dedab8e8a802f2b9f
      https://github.com/zopefoundation/ZODB/commit/5667a1b8a7039dc27c7e372dedab8e8a802f2b9f
  Author: Jim Fulton <jim at zope.com>
  Date:   2016-09-08 (Thu, 08 Sep 2016)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  make sure we can generate html