* Remove unit_of_measurement from climate base class.
* Updated google_assistant component and tests to use core temp units.
* Fixes
* Convert Alexa component to use core temp units for climate entities.
* Fix tests.
* Converted prometheus component.
* Remove unit_of_measurement from homekit thermostat tests.
* Small fix.
* Fix Min/Max Kelvin color temp attribute for Google
Max Kelvin is actually Min Mireds and vice-versa. K = 1000000 / mireds
* Update test_smart_home.py
* Update test_trait.py
* Accept and report both xy and RGB color for lights
* Fix demo light supported_features
* Add new XY color util functions
* Always make color changes available as xy and RGB
* Always expose color as RGB and XY
* Consolidate color supported_features
* Test fixes
* Additional test fix
* Use hue/sat as the hass core color interface
* Tests updates
* Assume MQTT RGB devices need full RGB brightness
* Convert new platforms
* More migration
* Use float for HS API
* Fix backwards conversion for KNX lights
* Adjust limitless min saturation for new scale
* Refactor Google Assistant
* Fix cloud test
* Fix supported features media player demo
* Fix query
* Fix execute
* Fix demo media player tests
* Add tests for traits
* Lint
* Lint
* Add integration tests
* Add more tests
* update logging
* Catch out of range temp errrors
* Fix cloud error
* Lint
