[Checkins] [zopefoundation/zope.proxy] a16a44: Speed up Travis start via 'sudo: false'.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.proxy
  Commit: a16a4482efaf275035eb31e460bda5d940da97f4
      https://github.com/zopefoundation/zope.proxy/commit/a16a4482efaf275035eb31e460bda5d940da97f4
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2014-12-18 (Thu, 18 Dec 2014)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Speed up Travis start via 'sudo: false'.

See: http://blog.travis-ci.com/2014-12-17-faster-builds-with-container-based-infrastructure/