[Checkins] [zopefoundation/z3c.jsontree] 74a0bb: remove --use-mirrors as mgedmin suggested

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/z3c.jsontree
  Commit: 74a0bb649ac555ef6c7eacda647b003195b1be35
      https://github.com/zopefoundation/z3c.jsontree/commit/74a0bb649ac555ef6c7eacda647b003195b1be35
  Author: Adam Groszer <agroszer at gmail.com>
  Date:   2015-11-04 (Wed, 04 Nov 2015)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  remove --use-mirrors as mgedmin suggested