Similar threads v8.8 changes: Prevent server error if Elasticsearch is not running.
Similar threads v8.4 changes: Fix issue relating to quick threads when not on the first page of forum view.
Similar threads v8.3 changes: Now honors "View threads by others" permission.
Similar threads v8.2 changes: Fixed issue with Enhanced search and node view permissions.
Similar threads v8.1 changes: Improved Template modification in regards to thread creation.
Similar threads v7.6 changes: Added title to similar threads results block.
