[MERGE] New version of the BzrDir.find_repository verb supporting _network_name to support removing more _ensure_real calls.

[Bundle Buggy]

Bundle Buggy has detected this merge request.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C1235622339.24285.89.camel%40lifeless-64%3E
Project: Bazaar