Implemented DSP.js as an alternative to the built in Analyser

Still not using the spectrum range properly, just getting mirroring effect with
even lower resolution. This method still gives us control over the highest
frequency considered by the FFT, just not sure how to properly control it yet
Modified part of dsp.js included in lib.

This branch might be left for a while since the approach of using a scriptprocessornode
seems too bad for performance
Testlab with sliders connected to the nodes of the audiograph for testing
Started on new strcuture with a GameModel and a GameView

The new gameplay classes will coordinate the different
tonelines as well as putting together a more gamelike
view with background, score system and such.
Moved initialization of DOM element from index.html to the js-application
Experiment with videoApp using the youtube embedded iframe API
Segmented lines with a new Line class that consists of separate segments

Fixes #2 but scale, normalisation and centralisation of line needs to be fixed again
now with segmented lines.