[Checkins] [zopefoundation/zope.lifecycleevent] b9a80a: Make Travis CI use tox for tests

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.lifecycleevent
  Commit: b9a80a821e6dfbf751d68fa24430732147b68482
      https://github.com/zopefoundation/zope.lifecycleevent/commit/b9a80a821e6dfbf751d68fa24430732147b68482
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2013-10-03 (Thu, 03 Oct 2013)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Make Travis CI use tox for tests

This reduces duplication (somewhat), and also currently tests don't work
at all on Travis, but work fine with tox on my machine.