Josh 71a3516053 Guard against network errors for Dark Sky (#27141)
* Guard against network errors for Dark Sky

- Prevents network errors from throwing an exception during
  state updates for the Dark Sky weather component.

* Implement `available` for Dark Sky component

* unknown -> unavailable
2019-10-04 19:28:55 -07:00
..
2019-07-31 12:25:30 -07:00