* Add RGB, RGBW and RGBWW capability to template.light
Add the required unit test
Mute 'LightTemplate.async_turn_on' is too complex
Rename all HS color mode from a generic "Color" name to a specific "HS" name
* Bring back legacy "color" keyword
* Cleanup unrequested commented test
* Increase code coverage to 100%
* Remove confusing if that should never be false
* Apply suggestions from code review
---------
Co-authored-by: Erik Montnemery <erik@montnemery.com>
3929b0163c