Fix typo in formula for Blackman Window.

aSize is undefined. It should be buffer.length.
Merge pull request #376 from rtoy/rtoy-fix-typo-blackman-window

Fix typo in formula for Blackman Window.
Tweaks to informative code examples

Reported by @root66 on ##webaudio on freenode.
s/AudioPannerNode/PannerNode/ + links
Put the Audio-EQ-Cookbook formulas in the spec
Fixes issue #380.
Address rtoy's comments

- Add tranfer function, remove algorithm
- Add MathJax.js in the repo
- Cleanup markup indentation
Fix bad MathJax script so that it works in browser that don't have MathML
Fix bad markup for MathML equations
Specifiy which alpha term to use for each filter type
Distinguish between the two A terms, fix ascii formulas
Fixes #82.
Fixes #93.
Spec detune (default value + meaning) for the BiquadFilterNode

This fixes #64 and #51.
WaveShaperNode curve lower limit and clarification

 Fixes issue #90
If a DelayNode is in a cycle, delayTime is clamped to a minimum of 128 frames.
Mark the section "Hardware Scalability" as non-normative.

There are still weird text in this section, I might do a followup to clean it.
Make DynamicsCompressorNode.reduction a float
Spec that OscillatorNode phase should be conserved when `type` is set.

Fixes #136.
Spec GainNode.

Fixes #123.