Added background and scene for simulating wall at the event. Added
diodberg-specific README and updated settings.json.example for remote
client.
Merge branch 'master' of https://github.com/ikea-lisp-code/firemix
Added a simulation scene (sim), which uses grid.png and simulates the full wall. Added script for generating JSON scenes. Updated settings.json.example to include broadcasting to the Pi at the DMX framerate.