[MERGE] Updates to bzr_access

[Russ Brown]

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John Arbash Meinel wrote:
> The attached patch was written by "j^" on IRC.
> 
> It basically fixes up the contrib/bzr_access script to properly work with
> bzr.dev, and improve the documentation to match reality. (You can only
> manage
> whole-repo access, not per branch, etc access.)
> 

That's annoying. I was planning to use this to control access to certain
branches.

I suppose the obvious answer to that is to make it work myself and
contribute back. :)

> I've reviewed it, and it looks good to me. Anyone else want to second it?
> 
> John
> =:->
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