add state on server to track audio input mode
add state on audio client to track streaming mode
add constructor function for making filters
cleans up code when making large numbers of filters
Create helper function for making chains of filters
Defined function to make linear chains of filters and handle connections inside chain
Create audio helper functions
Created functions for efficiently creating filters and chaining filters
Add helper method for creating analyser nodes
Refactor audio environment to use helper methods
progress on audio helper functions
progress
finish design of helper library
usability tweaks
bug testing
bug fixes
refactor audio into helper functions
complete
Merge branch 'master' of https://github.com/kinetech/Performance into microphone-tweak

Conflicts:
	app.js
	public/javascript/audio.js
bugfix
Merge pull request #40 from kinetech/microphone-tweak

Audio refactor