[Checkins] [zopefoundation/zope.app.schema] 7abc84: Fix tests on Travis and enable coveralls.

[GitHub]

  Branch: refs/heads/classifiers
  Home:   https://github.com/zopefoundation/zope.app.schema
  Commit: 7abc84ea160234beecf5bb9e53f9681ba91e640a
      https://github.com/zopefoundation/zope.app.schema/commit/7abc84ea160234beecf5bb9e53f9681ba91e640a
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2017-05-09 (Tue, 09 May 2017)

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

  Log Message:
  -----------
  Fix tests on Travis and enable coveralls.