* add --sourceOff to hyperion-remote - this will select "off" source and set all leds to black
refactor new json stuff
make schema checker not so strict, do not require values that have defaults (not finished yet)
initialEffect config: effect is always an array, regardless if it is a color or an effect name
* make off source visible in active priority list
* transform initialeffect to qjson (except part of effect-args, this needs effectengine transformed to qjson)
* remove unneeded comment
* add web ui for source selection.
call http://hyperion_host:8099/select/index.html
current example needed json server on port 19444
