Waveform

This adds the backend, ghetto-bower, music playing and waveform visualization.

If things don't work for you, try juking about with cleaning and remaking for a bit to bust caches.

![screen shot 2013-10-12 at 23 34 30](https://f.cloud.github.com/assets/1413267/1321094/7ded9f88-3395-11e3-94a8-73a049271e87.png)