Combine DMX and demo mode for WS2811 LED driver boards.
Convert TLC driver board code to use DMX address and have a demo mode.
Merge branch 'master' of github.com:ikea-lisp-code/diodberg
Merge branch 'master' of github.com:ikea-lisp-code/diodberg
Merge branch 'master' of github.com:ikea-lisp-code/diodberg
Clean up frimware demo modes.

Make there be three demo modes: color fade, color flash, white.