* Implement EuiSuperDatePicker, update components to use new state props.
* Update backend to accept values from EuiSuperDatePicker.
* Fix issues with implementation of super date picker.
* Fix bug in autorefresh enablement.
* Delete obsolete code.
* Fix broken types.
* Add comment to remind to delete code once it's obsolete.
* Fix types.
* Remove unused import.
* Add polling for ErrorList component.
* Update broken unit tests.
* Change default autorefresh interval.
* Add comments based on PR feedback.
* Add comment based on PR feedback.