[Checkins] [zopefoundation/grokcore.catalog] b7ea27: Use a newer buildout.

[GitHub]

  Branch: refs/heads/intid-index
  Home:   https://github.com/zopefoundation/grokcore.catalog
  Commit: b7ea27eabe509ebb4b3b856ffda8b3a8af8ef8a2
      https://github.com/zopefoundation/grokcore.catalog/commit/b7ea27eabe509ebb4b3b856ffda8b3a8af8ef8a2
  Author: Sylvain Viollon <sviollon at minddistrict.com>
  Date:   2017-08-11 (Fri, 11 Aug 2017)

  Changed paths:
    M buildout.cfg

  Log Message:
  -----------
  Use a newer buildout.