* add limit for write to leddevice
* add to default config
* add i18n
* extend xmas effect
* fix indention
* add check for minimum brightness
* adapt effects to fading and new minWriteTime
* remove old latchTime
rename minimumWriteTime to latchTime
make it as dev specific option
* set default for rewriteTime to 1s
pause smoothing on color too
* reenable smoothing for color - it looks nicer :-)
* fix timeout timer
* extend image effects
add a basic light clock
* add alpha values to rainbow
* some effect tuning
* make seconds hand optional and change color to yellow
make blue hours hand always visible
