* Emulate color_temp for lights which support color or white * Support legacy lights * Tidy up group.light code * Improve color_temp to white conversion * Remove color_temp to white conversion * Add test * Tweak deconz test
* Emulate color_temp for lights which support color or white * Support legacy lights * Tidy up group.light code * Improve color_temp to white conversion * Remove color_temp to white conversion * Add test * Tweak deconz test