[noise] Test vector format update

[Alex]

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