[opus] Opus for ASR

[Young, Milan]

> From: Ralph Giles [mailto:giles at thaumas.net]
> Both of those turn arounds are reasonable for adding to our automated test
> system. I can't promise any targetted work at this point, but I'd definitely like
> to send you ongoing builds as development proceeds.
> 
[Milan] As we develop a system for running these tests, one thing that I would appreciated are signed binaries.  I didn't see any provision for this on the downloads page.  Am I missing something?

Thanks