[Checkins] [zopefoundation/Zope] 59bcde: Enable travis caching of pip/eggs.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 59bcde108f1be238cd266d50f5fe757c7b4a4512
      https://github.com/zopefoundation/Zope/commit/59bcde108f1be238cd266d50f5fe757c7b4a4512
  Author: Hanno Schlichting <hanno at hannosch.eu>
  Date:   2016-04-04 (Mon, 04 Apr 2016)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Enable travis caching of pip/eggs.