update package.json
update package.json

ferreiro/node-waveform,kbortnik/node-waveform,ferreiro/node-waveform,kbortnik/node-waveform,andrewrk/node-waveform,andrewrk/node-waveform,andrewrk/node-waveform,ferreiro/node-waveform,kbortnik/node-waveform