instrument tests

fixed dispose methods bc of tests.
zooming on mobiles
dropping the copyright notice at the bottom.

the license is MIT on everything and the API/docs are not copyrighted.
more signal API tests
jshint wants constructors to be Capitalized
only list Inherited Methods if there are any
control the amount not the rate of detune and amp
faster meter updates
faster meter updates.

fixed momentary button problem
more extreme phasing.
envelope has exponential slider.
documented Transport and Tone.Time
black top bar.
demo link.