[Checkins] [zopefoundation/BTrees] c58b03: Fix coverage story and add coveralls.io. (#85)

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/BTrees
  Commit: c58b0313586ab5beb7ddf3d9a9b99a43416db77a
      https://github.com/zopefoundation/BTrees/commit/c58b0313586ab5beb7ddf3d9a9b99a43416db77a
  Author: Michael Howitz <mh at gocept.com>
  Date:   2018-04-23 (Mon, 23 Apr 2018)

  Changed paths:
    M .coveragerc
    M .travis.yml
    M README.rst
    M tox.ini

  Log Message:
  -----------
  Fix coverage story and add coveralls.io. (#85)

* Fix coverage story and add coveralls.io.

* Always be verbose to avoid failing builds because of 10 minutes without output.

* Add badges.