Draft WebAudio API review text

Hey all,

As promised, here's a draft of some detailed feedback/questions for the Web
Audio WG. Looking forward to your feedback before we lob it in their
direction:

    https://github.com/w3ctag/spec-reviews/blob/master/2013/07/WebAudio.md

Examples and current IDL extracted from their spec and checked in
along-side here:


https://github.com/w3ctag/spec-reviews/blob/master/2013/07/webaudio_examples.js

    https://github.com/w3ctag/spec-reviews/blob/master/2013/07/webaudio.idl

Regards