Updated bzr-migration-docs...

[Ian Clatworthy]

John Szakmeister wrote:
> Hey Ian,
> 
> I proposed another branch for merge, but Launchpad sent me an email
> saying it failed to notify you.  So... um, I have another branch ready
> to be merged. :-)  It adds some of the pictures from my blog post,
> expands on the long term feature branch discussion, and I included
> some pictures for the rebase operation too.

Sweet. I'll review it (and most likely merge it) today.

Ian C.