[Checkins] [zopefoundation/zope.index] b7c108: don't do dev install for appveyor

[GitHub]

  Branch: refs/heads/appveyor
  Home:   https://github.com/zopefoundation/zope.index
  Commit: b7c1087e25f194dad97fc8cfc1360da0de2d1920
      https://github.com/zopefoundation/zope.index/commit/b7c1087e25f194dad97fc8cfc1360da0de2d1920
  Author: Forest Gregg <fgregg at uchicago.edu>
  Date:   2017-04-23 (Sun, 23 Apr 2017)

  Changed paths:
    M appveyor.yml

  Log Message:
  -----------
  don't do dev install for appveyor