add CloudyReverb to DaisyBouquet, re-using the reverb from rings/clouds

Copyright 2014 Emilie Gillet MIT license, https://github.com/pichenettes/eurorack

DaisyGranular

Granular synthesizer, inspired by Instruo Arbhar
Select any wav file (up to 64MB storage)
CTRL0 = position in the WAV
CTRL1 = range after position that grains are spawn
CTRL2 = grain density
CTRL3 = pitch control

initial help screen at startup

add volume control
GateOut -> GateIn1 will loop sounds
64mb samples

re-enable speed scaling (-200% to 200%)

rearrange some code, move UI out of innerloop, tweak parameters to be…

… more responsive.

toggle UI using encoder button press

add tunable parameters/UI

double -> float

reduce cpu usage (MaxStageCount)