[MERGE] Add --branch option to cmd_root (updated)

[Aaron Bentley]

Aaron Bentley has voted resubmit.
Status is now: Resubmit
Comment:
I think it would be improper for us to remove the "Roland Mas" copyright 
line without permission, so please resubmit with at least that change.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3C87oct9h323.fsf%40mirexpress.internal.placard.fr.eu.org%3E
Project: Bazaar