Don't truncate Wikipedia text -- can cause broken HTML.
Added missing language setting.
Updates from Oliver Goldschmidt.
Don't optimize immediately after deleting records; instead optimize at end of batch processing.
Resolving VUFIND-276 (feedback module).
Don't redirect to referer if referer unset (fixes VUFIND-751).
Moved search backend configuration to module.config.php.
Added missing comments, removed unused property.
Merge branch 'master' into search-refactor