first successful visualization for audioBuffer
added TimeDomain visualization
reordered code, pulled out a "playTrack" function
added start and stop functionality with buttons
added basic track loading into single visualizer
added in additional comments, need to switch to create node on start, pause, stop
pause functionality enabled, but offset set relative to audiocontext instead of buffer
pause set relative to buffer
fixing merge conflicts, using upstream index.html changes and including webaudio.js