* - effects now can use qt image effects
- rainbow swirtl is now suitable for any led layout - including matrix
* fix rainbow effect
* effect: add radialGradient
* fix some js errors
* optimize code
* try fix travis test not working as expected
* fix default config files
* fix config
* initial support for leddevice options
* fix schema and editor init
* fix led editor labels and schema
* add some led schemas
* led config: insert current values. not yet perfect, but it works
* tune editor style
* initial support for leddevice options
* fix schema and editor init
* fix led editor labels and schema
* add some led schemas
* led config: insert current values. not yet perfect, but it works
* split content and js
tune leds config
* implement connection lost page
* split js/html in huebridge
* add js action for connection lost
* extend led config
make connection loss nicer
* tune led code
add menu entry for grabber
* more tuning of webui
* switch back to botstrap textarea
add v4l to components
* add icon
* extend schema for jsoneditor
* implement ledcolors streaming with 4fps
* implement component state
