[Checkins] [zopefoundation/zope.keyreference] fb0143: Speed up Travis builds via 'sudo: false'

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.keyreference
  Commit: fb01432a490256848e42c0d48279c27bf88b17c9
      https://github.com/zopefoundation/zope.keyreference/commit/fb01432a490256848e42c0d48279c27bf88b17c9
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2014-12-20 (Sat, 20 Dec 2014)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Speed up Travis builds via 'sudo: false'