[Checkins] [zopefoundation/ZODB] 2f21b2: Add badges to README.

[GitHub]

  Branch: refs/heads/readme-badges
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 2f21b2f03cc4d7b12064974cad18768515d7b0af
      https://github.com/zopefoundation/ZODB/commit/2f21b2f03cc4d7b12064974cad18768515d7b0af
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2017-07-25 (Tue, 25 Jul 2017)

  Changed paths:
    M README.rst

  Log Message:
  -----------
  Add badges to README.

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