[noise] Noise library in Go

[David Wong]

> Cool, code looks nice and well-documented.
>
> I linked this from the wiki: https://github.com/noiseprotocol/noise_wiki/wiki
> If you fleshed out the patterns and crypto choices we could link this
> from the main website (though I'm not sure that's your goal).

What do you mean flesh out the patterns and crypto choices? You mean
add all the patterns and add AES-GCM + SHA512?