[rfc] bzr-colo into core

[Eli Zaretskii]

> Date: Thu, 24 Mar 2011 18:07:10 +0200
> From: Alexander Belchenko <bialix at ukr.net>
> Cc: Martin Pool <mbp at canonical.com>, bazaar at lists.canonical.com
> 
> > colo-checkout ("checkout"), colo-pull ("pull"), colo-init ("init"),
> > colo-prune ("rmbranch") don't have to be separate commands.
> 
> Does rmbranch is new command?

It's an alias of remove-branch, which is in core since bzr 2.2.0.