[Checkins] [zopefoundation/grokcore.json] 15c26f: Updated Travis YAML.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/grokcore.json
  Commit: 15c26f4d155aa42af6755d51b73a42dc82f9d563
      https://github.com/zopefoundation/grokcore.json/commit/15c26f4d155aa42af6755d51b73a42dc82f9d563
  Author: Stephan Richter <stephan.richter at gmail.com>
  Date:   2013-03-13 (Wed, 13 Mar 2013)

  Changed paths:
    A .travis.yml

  Log Message:
  -----------
  Updated Travis YAML.