Jsonify the voice processors

[baconpaul]

The formula is basically

1: make the json engine call with a doc in the switch
2; write the doc and test
3: Remove the old c++ code
4: voila

the EQs with curves require some c++ as may others. But we find that out by having an issue right!

• Audio Rate Mod / FM Filter
• Audio Rate Mod / Freqshift Mod
• Audio Rate Mod / Noise AM
• Audio Rate Mod / Phase Mod
• Audio Rate Mod / Ring Mod
• Delay / Lifted Delay
• Delay / MicroGate
• Delay / Simple Delay
• Distortion / BitCrusher
• Distortion / Slewer
• Distortion / Treemonster
• Distortion / WaveShaper
• Dynamics / Auto Wah
• Dynamics / Compressor
• EQ / 3 Band Parametric
• EQ / 6 Band Graphic
• EQ / Tilt EQ
• Filters / Cutoff Warp
• Filters / Fast SVF
• Filters / K35
• Filters / Linear Ladder
• Filters / Morph
• Filters / OB-Xd 4-Pole
• Filters / REPLACE NOW
• Filters / Resonance Warp
• Filters / Sample and Hold
• Filters / Static Phaser
• Filters / Tripole
• Filters / Vember Classic
• Filters / Vintage Ladder
• Generators / Correlated Noise
• Generators / Sine Plus
• Generators / String Resonator
• Generators / Tilt Noise
• Generators / Virtual Analog
• Modulation / Chorus
• Modulation / Phaser
• Modulation / Shepard Phaser
• Modulation / Tremolo
• Utility / Gain Matrix
• Utility / Stereo Tool
• Utility / Volume & Pan
• Utility / Widener