[Checkins] [zopefoundation/martian] afa8ae: Add coverage configration.

[GitHub]

  Branch: refs/heads/update-python-versions
  Home:   https://github.com/zopefoundation/martian
  Commit: afa8ae9ac697a98516b8d28c580ab1df5b2348e3
      https://github.com/zopefoundation/martian/commit/afa8ae9ac697a98516b8d28c580ab1df5b2348e3
  Author: Michael Howitz <mh at gocept.com>
  Date:   2017-10-06 (Fri, 06 Oct 2017)

  Changed paths:
    A .coveragerc
    M MANIFEST.in

  Log Message:
  -----------
  Add coverage configration.