* Entity#unique_id defaults to None
* Initial commit entity registry
* Clean up unique_id property
* Lint
* Add tests to entity component
* Lint
* Restore some unique ids
* Spelling
* Remove use of IP address for unique ID
* Add tests
* Add tests
* Fix tests
* Add some docs
* Add one more test
* Fix new test…
* Strip off the RTS/IO ID from the entity ID
* Ignore exception thrown when the device does not provide an active state
* Send actions with a label for easier identification in the Tahoma log
* Linting
* Strip off the RTS/IO ID from the entity ID, take 2
As per suggestions, let HA do the standard initialization and assign
an appropriate entity_id, instead of overriding it with the lengthy
unique_id coming from the TaHoma devices.