[Checkins] [zopefoundation/Products.ZCatalog] f010c5: Enable travis caching of pip/eggs

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Products.ZCatalog
  Commit: f010c59d4509278ad66e34ddc1535bf894dcfeda
      https://github.com/zopefoundation/Products.ZCatalog/commit/f010c59d4509278ad66e34ddc1535bf894dcfeda
  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