[Checkins] [zopefoundation/zope.index] 22224e: Force 'persistent' before 'BTrees'.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.index
  Commit: 22224e3fb61e4e439f943ba7d627d3a70bb29848
      https://github.com/zopefoundation/zope.index/commit/22224e3fb61e4e439f943ba7d627d3a70bb29848
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2013-04-04 (Thu, 04 Apr 2013)

  Changed paths:
    M setup.py

  Log Message:
  -----------
  Force 'persistent' before 'BTrees'.

Try to work around zc.buildout's ignorance of setup_requires.