[Checkins] [zopefoundation/cipher.configstore] 64d193: Stop using deprecated --use-mirrors

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/cipher.configstore
  Commit: 64d193b5f2be4096fdeac9929ffc2c2b430a9a7e
      https://github.com/zopefoundation/cipher.configstore/commit/64d193b5f2be4096fdeac9929ffc2c2b430a9a7e
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2015-11-08 (Sun, 08 Nov 2015)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Stop using deprecated --use-mirrors