[Success!] [MERGE] Implement copy_tree on copy_tree_to_transport

[Bundle Buggy]

This change has been merged.
Previous status: Approved

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C491485BB.4080000%40aaronbentley.com%3E
Project: Bazaar