[Checkins] [zopefoundation/grokcore.annotation] adb287: update buildout extends URL

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/grokcore.annotation
  Commit: adb287161b21db60df1da852c530aea1c1060c89
      https://github.com/zopefoundation/grokcore.annotation/commit/adb287161b21db60df1da852c530aea1c1060c89
  Author: Jan-Wijbrand Kolman <jkolman at minddistrict.com>
  Date:   2018-01-22 (Mon, 22 Jan 2018)

  Changed paths:
    M buildout.cfg

  Log Message:
  -----------
  update buildout extends URL