cleans up webGL section
Merge branch 'master' of https://github.com/kinetech/Performance into volume
Merge branch 'master' of https://github.com/kinetech/Performance into volume

Conflicts:
	public/javascript/fireworks/fireworks-animation.js
uses thresholding on the input and not manually in the animation
Merge pull request #33 from kinetech/volume

uses calibrated thresholding from input events and times out for silence