HUE-2218 [search] Backend for getting the stats and terms of a field
HUE-2300 [search] Pivot facet backend and front end logic
HUE-2315 [search] Extra call to /search on facet semi modal show

Put back filter template removed by error
[search] Missing remove call on widget

Deleting a widget was not removing it from the model
[search] Delete widgets when deleting a new column
[search] Refresh dashboard when deleting a widget that had some filters
HUE-2318 [desktop] Documents shared with write group permissions are not editable
[hadoop] Make sure YARN client get the correct logger
[search] The app can be blacklisted without crashing
[security] Fix roles refresh after add or modify

Hive Autocomplete works on focus too now
[security] Show previously expanded roles after a Role add or remove operation
[security] UI revamp for the Hive bulk modal
[security] Make impersonation more noticeable
[security] Visual clue for non-empty databases
[security] UI revamp for the HDFS bulk modal
[security] Show open folder or selected database also for nodes without children
[libsentry] Add WITH GRANT option syntax
[security] Support privileges with grant option
[security] Adding bigger sign when no privileges are found
HUE-2319 [fb] Do not offer file scrolling when offsets are not supported

Added check to fileArea scroll event that tests if compression type is 'gzip', disables navigation and displays warning message.