* Updates react to 16.6 (latest)
* Updated fragment-based snapshots for Kibana root unit tests
* Updated fragment-based snapshots for x-pack unit tests
* Removed xpack yarn.lock file bc it is no longer needed, it was reintroduced by accident during a rebase in this branch
* React 16.6 snapshot updates, round 2 (mostly Fragment snapshot diffs)
* Updated last round of React 16.6 snapshots
* Fixes query bar issue with 16.4 gDSFP lifecycle
* Updated yarn lock (arraybuffer.slice updated)
* Updates snapshots where executeQueryOptions prop appears
* Get basic scaffolding working
* Wire up cluster checkup data
* Add types for elasticsearch plugin
* Implement basics of checkup tab
* Update style of deprecations
* Add copy and reload button to checkup
* Add filtering by warning level
* Add deprecation logging tab
* Copy updates and cleanup
* Type cleanup
* Move deprecation logging to overview tab
* Make filters togglable
* Move sections into tabs and add support for grouping
* Cleanup and add clearer labels
* Use tables for message grouping
* Cleanup and small fixes
* Allow console to load relative URLs
* Add reindex in console button to reindex tasks
* Merge documentation UI and uiButtons
* Fix tests
* Filter bar tweaks
* Filter out index settings that can't be set
* Fix types
* Add tests for deprecation_logging
* Add tests for reindex templates
* Make KibanaConfig generic
* Simplify integration test
* Finish backend unit tests
* Fixup types
* Fix uiButton updating for reindex items
* Fixed background color stretching
* Pulling tabs out and re-ordering filter buttons
* Making accordions more item-list like
* Turned Healths into Badges
- Couldn’t do the conversion within the cell because it only passed color
* Fix overflow issue
* Optional filter and expand/collapse controls
* Reorganizing
- Added placeholder for moving action button up into accordion header
- Removed repetitive message name outputs
- Slightly better listing of each message when sorting by index
- Only showing number of severity when sorting by index
- Still need to allow showing all severity levels
- Added indice count when sorting by issue
* Putting `Deprecation logging` in a `EuiDescribedFormGroup`
* Added some stats, empty prompts, and all clear prompt
* Added docs link
* Cleaned up sass files
* Revert changes to fake_deprecations
* Update blacklisted settings
* wip
* Move data fetching and tab control
* Wire up overview summary
* Cleanup docs/uiButtons + move actions to index table
* Add expand/collapse all functionality
* Wire up search box
* Wire up severity indicators
* Fix types
* Round out functional tests
* Fix fake data
* Remove info deprecation level
* Fix extra space on cluster tab control bar
* Cleanup code and localize majority of UI controls
* Change overview tab to steps layout
* Update copy
* Localize overview tab
* Complete localization of checkup tabs
* Make ES version dynamic based on branch
* Add pagination to checkup tabs
* Rename checkup -> assistant
* Cleanup filter and group by bars
* WIP UI unit tests
* Copy tweaks
* Fix i18n formatting issues
* Update tests for copy
* Add tests for remaining UI
* Fix pagination w/ filter changes + table button color
* Small cleanup
* Add reindex button to old index deprecations
* Add shrunken indices setting to copy settings blacklist for #18469
* Add next steps to overview tab + update copy
* Remove usage of migration assistance API
* Use all/critical toggle for filter buttons
* Cloud upgrade copy
* Translate reindex button
* Remove hacked EUI type
* Show incomplete banner on all tabs
* Update copy for waiting for next version
* Review comments
* Update deprecation level type
* Update checkup tab snapshots
* Remove dependencies on types from #25168
* Use types from new global type defs
* Remove 'Reindex in Console' button
* Remove unused variable
