SoundCloud Waveform Private API Support

[jxnblk]

• [x] Directive to get data
• [ ] SVG waveform path directive using data

[voronianski]

@jxnblk is there any progress with SVG path?

[jxnblk]

Not recently, but the waveform path filter does something: https://github.com/jxnblk/plangular/blob/master/src/v-waveform.js