This adds support for the US variant of the Honeywell connected
thermostat. The interface is super simple, so this doesn't add
any external dependencies. It supports basic temperature, setpoint,
and control.
Issue #998 notes that the existing honeywell module doesn't work
for US models, which is because they are totally different. In order
to indicate to the honeywell platform module that the thermostat
is a US-type, we key off of whether or not the thermostat id is
provided. This is something that US people have (and require to
identify one of potentially multiple thermostats in their account)
and EU people will not.
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