Update to 5.6.0-PRE7_NIH-SNAPSHOT and activate advanced index

src/main/resources/application.yaml

@@ -71,6 +71,8 @@ hapi:
 #    enable_repository_validating_interceptor: false
 #    enable_index_missing_fields: false
 #    enable_index_contained_resource: false
+#    advanced_lucene_indexing: false
+    advanced_lucene_indexing: true
 #    enforce_referential_integrity_on_delete: false
 #    enforce_referential_integrity_on_write: false
 #    etag_support_enabled: true