* Add fontsize and image functionality

* woof

* Updated pyeconet to the newest version to deal with econet API change

* Fix invalid state

* Make slightly more efficient in unsubscribing

* Use uuid4"

* Add websocket commands for refresh tokens

* Comment

* Allow create refresh_token with specific access_token_expiration

* Add token_type, client_name and client_icon

* Add unit test

* Add websocket API to create long-lived access token

* Allow URL use as client_id for long-lived access token

* Remove mutate_refresh_token method

* Use client name as id for long_lived_access_token type refresh token

* Minor change

* Do not allow duplicate client name

* Update docstring

* Remove unnecessary `list`

* Store notifications in component. Add ws endpoint for fetching.

* Comments

* Use access_token and user provided token instead of api_password

* address comments by @awarecan

* new tests

* add extra checks and test

* lint

* add comment

* Fix arlo intilization when no base station

* Fix pylint for empty camera check

* Fix typo

* Minor change to trigger CI again

* Don't treat typing as an "in-between" module for import order

That was a < 3.5 era thing.

* Tighten scope of some pylint unused-import disables

To avoid isort moving a top level one around, undesirably broadening its
scope.

* Update PyRMVtransport version

* Update requirements.

* Fix support for Hub version 1 (i.e. pre-2014 Hub model 2242)

* Bump insteonplm to 0.14.1

* Code review changes

* Clean up and better document set_default_port

* Simplify set_default_port based on code review

* Remove Callable type import

* Simplify port setup

* add CONF_ALLOW_UNREACHABLE option, retry connection if allowed

* fix linting errors

* Removing the config option, just using PlatformNotReady

fixed get_camera_type as it was originally not consuming any input, was looping with all cameras and the first camera type was retutned, modified to call cameraType using provided camera name.

* Add a base_url configuration setting to tts.

* Remove the empty string as default value for base_urls

As requested in

https://github.com/home-assistant/home-assistant/pull/16478#pullrequestreview-153526144

With Kodi 18, OnPlay is called before an item actually started playing.
For this OnAVStart and OnAVChange have been introduced.

* Added new states and exposed state/state code received from xiaomi vacuum

* Restore status attribute for xiaomi_vacuum

* always export max_age/min_age

* downgrade errors of missing data
on start with empty recorder database these errors are logged multiple times:
ERROR (MainThread) [homeassistant.components.sensor.statistics] mean requires at least one data point
ERROR (MainThread) [homeassistant.components.sensor.statistics] variance requires at least two data points

downgrade them to debug as they are not meaningful to end users

* add change_rate attribute
this calculates the average change rate of all data points

* simplify count, reorder attribute calculation

* reorder initialization

* reorder attribute names

* don't use min/max for min_age/max_age

* add test case

* style

* style

* sort constants

* init variables with None

* add precision config setting

* round to precision

* test round

* snmp sensor: Add asyncio support and reuse SnmpEngine object

* snmp sensor: Support protocol v3

* Fix lint issue

* Initial OpenTherm Gateway support.

* Fix coveragerc and requirements_all*.txt
Overall cleanup and polishing

* Make hound/flake/travis happy

* Basic improvements to comply with Home Assistant's style guidelines
Changed wording from "component" to more appropriate terms where necessary
Fixed small mistakes that snuck in during testing and/or due to my own ignorance ;)

* Fixed overwriting state property

* Fixed a bug with ROOM_SETPOINT_OVRD
Updated dependency pyotgw to latest version

* Remove unit_of_measurement from OpenThermGateway class

* Cleanup after previous commits

* Moved initialisation and configuration from async_setup_platform to async_added_to_hass

* Make travis happy

* Disable polling for this platform
Improve update flow

* Small improvements/optimisations