update examples/demo/
resolve #35 NeuContext#toSeconds() accepts a { playbackTime:number }
resolve #40 $(AudioNode) supports binding to their properties from {}
clean: order of properties defining
resolve #38 add .start() .stop() .reset() to Neume
update examples/demo
resolve #32 support UGen pipeline
change Neume.Synth() uses new neume.Synth() directly
refine PeriodicWaves square, sawtooth, triangle
add neume.KVS
remove $("osc") pulse
update $("osc")
add $("lfpulse")
update $("noise")
update $("shaper")
update $("pan2")
Merge branch 'dev' of github.com:mohayonao/neume.js into dev