PixelController v1.5.1

Changelog v1.5.0 to v1.5.1

232 files changed, 12438 insertions(+), 12446 deletions(-)
-Add support for ExpeditInvaders output
-Add Fader effect if a preset is loaded, freeze current buffer and fade into new content
-Add Fader effect if current visual is randomized, freeze current buffer and fade into new content
-Add config option to make fader time configurable
-Fix Checkbox Mixer, make checkbox size dependent on output
-Fix PixelImage, possible exception
-Fix Geometrics and Cell generators, possible exception
-Fix rename Rainbowduino firmware to prevent crash
-Fix rainbowduinov3 firmware bug, the serial line could block
-Fix PixelInvaders, improve serial detection, should now works with regular Arduino boards
-Huge refactoring, improve unit testing