Prepare Release 2.9.3

[Taraman17]

breaking:

• Target Temperature for Thermostats is now available in the climate-entity only. The additional slider is removed and the corresponding entity will be shown as unavailable and has to be manually deleted.
• "Manual Operation" switch for Thermostats is removed, since it does not seem to have any effect in homee. The Entity will also be shwon as unavailable and has to be manually deleted.
• Room Thermostats are also recognized as Climate entities now - controls will change and automations using them need to be updated.

new:

• Lock platform - makes Homee locks available in HA
• Use entityCategories for configuration and dignositc entities.
• Overhaul climate platform and support EUROtronics Thermostate.
• Add Polling interval control.

fix:

• Window handle sensor positions.
• Migrate climate unique_ids to string format.