* Lazy loading of service descriptions
* Fix tests
* Load YAML in executor
* Return a copy of available services to allow mutations
* Remove lint
* Add zha/services.yaml
* Only cache descriptions for known services
* Remove lint
* Remove description loading during service registration
* Remove description parameter from async_register
* Test async_get_all_descriptions
* Remove lint
* Fix typos from multi-edit
* Remove unused arguments
* Remove unused import os
* Remove unused import os, part 2
* Remove unneeded coroutine decorator
* Only use executor for loading files
* Cleanups suggested in review
* Increase test coverage
* Fix races in existing tests
* first version
* First draft component entities
* Change add_entities to callback from coroutine
* Fix bug add async_prepare_reload
* Group draft v1
* group async
* bugfix
* bugfix v2
* fix lint
* fix extract_entity_ids
* fix other things
* move get_component out of executor
* bugfix
* Address minor changes
* lint
* bugfix - should work now
* make group init async only
* change update handling to old stuff
* fix group handling, remove generator from init
* fix lint
* protect loop for spaming with updates
* fix lint
* update test_group
* fix
* update group handling
* fix __init__ async trouble
* move device_tracker to new layout
* lint
* fix group unittest
* Test with coroutine
* fix bug
* now it works 💯
* ups
* first part of suggestion
* add_entities to coroutine
* change group
* convert add async_add_entity to coroutine
* fix unit tests
* fix lint
* fix lint part 2
* fix wrong import delete
* change async_update_tracked_entity_ids to coroutine
* fix
* revert last change
* fix unittest entity id
* fix unittest
* fix unittest
* fix unittest entity_component
* fix group
* fix group_test
* try part 2 to fix test_group
* fix all entity_component
* rename _process_config
* Change Group to init with factory
* fix lint
* fix lint
* fix callback
* Tweak entity component and group
* More fixes
* Final fixes
* No longer needed blocks
* Address @bbangert comments
* Add test for group.stop
* More callbacks for automation
* Add event loop to the core
* Add block_till_done to HA core object
* Fix some tests
* Linting core
* Fix statemachine tests
* Core test fixes
* fix block_till_done to wait for loop and queue to empty
* fix test_core for passing, and correct start/stop/block_till_done
* Fix remote tests
* Fix tests: block_till_done
* Fix linting
* Fix more tests
* Fix final linting
* Fix remote test
* remove unnecessary import
* reduce sleep to avoid slowing down the tests excessively
* fix remaining tests to wait for non-threadsafe operations
* Add async_ doc strings for event loop / coroutine info
* Fix command line test to block for the right timeout
* Fix py3.4.2 loop var access
* Fix SERVICE_CALL_LIMIT being in effect for other tests
* Fix lint errors
* Fix lint error with proper placement
* Fix slave start to not start a timer
* Add asyncio compatible listeners.
* Increase min Python version to 3.4.2
* Move async backports to util
* Add backported async tests
* Fix linting
* Simplify Python version check
* Fix lint
* Remove unneeded try/except and queue listener appproriately.
* Fix tuple vs. list unorderable error on version compare.
* Fix version tests
