Dan Sarginson 365f21b209 Honeywell fixes and improvements (#8756)
* Honeywell fixes and improvements

Give the Honeywell device a state ('On', 'Off', etc) that
can be displayed to user and understood by other components.
Previously this was always 'Unknown'. Update also raises a
state_changed event when a new temperature is polled.

These two together fix an issue (#8688) where Honeywell
climate data couldn't be logged in InfluxDB.

* Roll back some changes

These were not necessary to achieve the result I wanted.

* Renamed RoundThermostat's 'device' member for greater clarity

Now called 'client'

* Improve and simplify discovering thermostat mode

Per code review, this is a rather neater way to discover the thermostat mode

* Update tests for compatibility with new component

The tests previously relied upon the update() method being
called in the constructor. This is no longer the case.

* Address formatting review comment

Parens not necessary

* This system mode is not certain to apply to domestic hot water

Moved the mode lookup to only happen on update of radiator devices,
since hot water devices seem to be treated differently and I can't test.
2017-08-01 16:18:14 +02:00
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