* Now supports Hydrawise API v1.4
* Removed dependency and codeowners name.
* Update CODEOWNERS to include hydrawise
* Changes made from review comments.
* Clean up update.
* Added device class for timestamp and switch. Consolodate methods to parent class.
* Cap next_cycle at 2 years to prevent time overflow.
* Addressed review comments.
* Updated DEVICE_MAP and icon() based on review comments.