[MERGE] Raise NoSuchRevision from fetch, instead of InstallFailed

[Jonathan Lange]

On Fri, May 1, 2009 at 11:15 PM, Aaron Bentley <aaron at aaronbentley.com> wrote:
> Robert Collins wrote:
>> Well, InstallFailed is meant to be what people catch when they call
>> fetch - though I guess this has drifted over time.
>>
>> given we're not catching it anywhere, and we let other errors bubble up
>> already....
>
> It removes a public symbol, so it's an API break.  It should be noted in
> NEWS, and we should update the min_api_version.

I did note it in NEWS, but the min_api_version still needs updating.

jml