DEMO General Tso Redux (Thorpy Fat General)- Demo Added

[darwin999]

@MichaelW - thanks a lot for your suggestion of using Xvive vactrols, that's very helpful. I also appreciate that you explained *why* you chose that specific model (VTL5C4), in that the closely similar Aion Convex (Dinosaural OTC-201) uses it. I've always been concerned about the geometrical vagaries of using an LED + LDR...