refactor ugen/line
refactor ugen/buf
add NeuBuffer.fill(context, length, func)
add Neuma.Buffer.fill(length, func)
move ugen/white -> ugen/noise
add ugen/noise $("pink")
update ugen/index
fix _.disconnect(spec) [wip] OfflineAudioContext support
fix NeuContext [wip] OfflineAudioContext support
fix neuma.js
add examples/rendering-reich [wip]