[Success!] [MERGE] Fix RemoteBranch to be used correctly in tests using bzr+ssh, to fire off Branch hooks correctly, and improve the branch_implementations tests to check that making a branch gets the right format under test.

[Bundle Buggy]

This change has been merged.
Previous status: Conditionally approved

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C1234486473.12070.669.camel%40lifeless-64%3E
Project: Bazaar