Add script to unpublish record set.

utilities/elastic_scripts/unpublish_record_set.json

+{
+  "query": {
+    "term": {
+      "id":"klu-002"
+    }
+  },
+  "script": {
+    "source": "ctx._source.published = 'false'",
+    "lang": "painless"
+  }
+
+}

utilities/elastic_scripts/unpublish_record_set.sh

+curl -X POST -H 'Content-Type: application/json' -d "@unpublish_record_set.json" "localhost:8080/record-sets-v7/_update_by_query"