[patch] Make export take an optional branch url

[Daniel Silverstone]

On Sat, 2006-10-28 at 16:16 +0100, Daniel Silverstone wrote:
> # revision id: daniel.silverstone at canonical.com-20061028124021-e857aec7bf24cda3

Urgh, I didn't realise I still had that setting in my tree. I can either
recreate the bundle or can one of you just apply the patch bits yourself
to a tree. I shouldn't be using my old @canonical.com address I think.

Of course, that's assuming you like the patch :-)

D.