* schema and configuration improvements
* check list search widget
* "Clear all" button to reset the list
* page size and "show more" for response facet fields
* test fixes
* fix tests
* fix pagination bug (skipCount reseting)
* integrate date range picker from #3248
* i18n support for date and number range
* some docs for search filter
* docs update
* docs update
* cleanup code as per review
