[noise] Test vector format update

[Jake McGinty]

Awesome, you’re fast!

> On Jun 16, 2017, at 4:38 AM, Alex <alex at centromere.net> wrote:
> 
> On Fri, 16 Jun 2017 01:05:59 +0800
> Jake McGinty <me at jake.su> wrote:
> 
>> Currently, this format doesn’t allow for testing of multiple PSKs
>> which is allowed in the spec.
> 
> Great idea! I've updated the spec[0] to reflect this, and I've also
> published a new set of vectors[1].
> 
> -- 
> Alex
> 
> [0] https://github.com/noiseprotocol/noise_wiki/wiki/Test-vectors/_compare/74145e17b6199828428c1c5d080effe92f03adc9...07455edc64c35911a6760120dae1e10fc0b63e8d
> [1] https://raw.githubusercontent.com/centromere/cacophony/master/vectors/cacophony.txt