* eq3btsmart: support modes and clean up the code to use climatedevice's features
* eq3btsmart: re-add device state attributes
adds reporting for is_locked, valve, window_open and low_battery,
exposing everything the device reports currently.
* eq3btsmart: bump version req
* eq3btsmart: fix a typo in mode name, report unknown when not initialized
* eq3btsmart: depend on newly forked python-eq3bt lib, pythonify states
* Separate platform and presentation units in climate
* Fix unit tests
Maybe
* Fix unit tests some more
Maybe
* Rename _platform_unit_of_measurement to temperature_unit
* Fix tests for renamed attribute
