[Checkins] [zopefoundation/zope.site] 71520a: Try to fix Travis CI build.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.site
  Commit: 71520a89036a74e15f1f58b894aa28b5ac992546
      https://github.com/zopefoundation/zope.site/commit/71520a89036a74e15f1f58b894aa28b5ac992546
  Author: Stephan Richter <stephan.richter at gmail.com>
  Date:   2013-03-05 (Tue, 05 Mar 2013)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Try to fix Travis CI build.