* Add device_registry support for sensor and switch domains
* Add device_registry support for light
* Add device registry to binary_sensor, climate, cover
* Add device registry to zwave fan
* Fix test for config entry loading
* lint
* revert erroneous modification
* Revert device_registry.py change
## Description:
More fixes flagged by pylint 2 that don't hurt to have before the actual pylint 2 upgrade (which I'll submit soon).
## Checklist:
- [ ] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
