* Update __init__.py
addedattribute "WHITE_VALUE" to improve support for RGBW devices
* Update services.yaml
* Update __init__.py
* Update __init__.py
* Update __init__.py
* Update __init__.py
* Update __init__.py
* Update __init__.py
shortened line
* Update __init__.py
* Update __init__.py
* Add mysensors RGBW and light tests
* Activate support for mysensors RGBW devices with support for
white_value attribute.
* Add white_value support in light demo platform.
* Add tests for white_value and more for light component.
* Add tests for light demo platform.
* Fix import order in check_config.
