* std::string -> qstring part 1
* more string migration
* more string migration ...
* ...
* more qstring mogrations
add sysinfo via json
* remove unneccessary includes
* integrate sysinfo into webui
* 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