[Checkins] [zopefoundation/Persistence] d1bfe5: Speed up Travis builds via 'sudo: false'

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Persistence
  Commit: d1bfe5e43b18b1a3da4d21afb5beaf328ca146c6
      https://github.com/zopefoundation/Persistence/commit/d1bfe5e43b18b1a3da4d21afb5beaf328ca146c6
  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'