[merge] rename 'knitpack' format to 'pack0.92'

[Adam Mercer]

On 22/11/2007, Martin Pool <mbp at sourcefrog.net> wrote:

> This renames the knitpack-experimental format to pack0.92, and makes
> it non-experimental.  'knitpack' was my misunderstanding; Robert says
> the implementation using knit classes is not essential to the format.
>
> This also updates and renames the document describing them.

How is this going to effect repositories that are already using the
knitpack-experimental repository format?  Will we need to "upgrade"
these repos, or will bazaar handle this automatically?

Cheers

Adam