[Checkins] [zopefoundation/zope.index] 3e6f7b: No longer use shut down API.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.index
  Commit: 3e6f7bb10a12192c1424f124c7bea1a2cb29d8fb
      https://github.com/zopefoundation/zope.index/commit/3e6f7bb10a12192c1424f124c7bea1a2cb29d8fb
  Author: Michael Howitz <mh at gocept.com>
  Date:   2018-02-21 (Wed, 21 Feb 2018)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  No longer use shut down API.