Api: add entropy
Editor: fix more namespace issues. fix shortcuts in neo

The keyboard shortcuts were only partially working using
the Neo keyboard layout. Implement workaround that tests
for this layout and adjusts keybindings.
Genetic: make inject and vary independent of arity
Genetic/DSPGP: use euclidean distances
Editor: more namespacing
Instruments: don't use global note-kernel map, instead write it into the inst
Utils: fn-c: fix bug with fns with more than 1 init parameter or no parameters.
Examples: genetic/drums: fix example for changes in instruments
UGens: sanitize asr/line/delay/sin-osc inputs
Genetic: use dspgp with ugens.