[Checkins] [zopefoundation/z3c.formdemo] 744295: Speed up Travis CI builds

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/z3c.formdemo
  Commit: 744295d17fd72ec318a83a273fbbbeb119ba43da
      https://github.com/zopefoundation/z3c.formdemo/commit/744295d17fd72ec318a83a273fbbbeb119ba43da
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2014-12-26 (Fri, 26 Dec 2014)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Speed up Travis CI builds