* Improve Lutron RadioRA2 support, adding switch and scene support.
- Update the version of pylutron to 0.2 which has various bug fixes.
- Switch to pylutron's per-device subscribe
- Add switch support, and configure any non-dimmable output as a switch.
- Add scene support, using any configured keypad button with a corresponding LED as a scene.
* Fixes for comments in pull request home-assistant/home-assistant#18330
* More fixes for comments in pull request #18330
* Remove unused imports
* Cleanup in docstrings for Lutron scene support.
cdheiser