added xsd for oaiore

oaipmh-core/src/main/java/info/textgrid/middleware/SetDeliverer.java

@@ -16,9 +16,6 @@ import org.elasticsearch.action.search.SearchRequest;
 import org.elasticsearch.action.search.SearchResponse;
 import org.elasticsearch.client.RequestOptions;
 import org.elasticsearch.common.Strings;
-import org.elasticsearch.common.xcontent.ToXContent;
-import org.elasticsearch.common.xcontent.XContentBuilder;
-import org.elasticsearch.common.xcontent.XContentFactory;
 
 import org.elasticsearch.index.query.QueryBuilders;
 import org.elasticsearch.script.Script;
@@ -26,12 +23,11 @@ import org.elasticsearch.search.SearchHit;
 import org.elasticsearch.search.aggregations.Aggregation;
 import org.elasticsearch.search.aggregations.AggregationBuilder;
 import org.elasticsearch.search.aggregations.AggregationBuilders;
-import org.elasticsearch.search.aggregations.Aggregations;
+
 import org.elasticsearch.search.aggregations.bucket.terms.Terms;
 import org.elasticsearch.search.aggregations.bucket.terms.Terms.Bucket;
 import org.elasticsearch.search.builder.SearchSourceBuilder;
 import org.elasticsearch.search.fetch.subphase.FetchSourceContext;
-import org.json.JSONObject;
 
 import info.textgrid.clients.tgauth.AuthClientException;
 import info.textgrid.middleware.oaipmh.ListSetsType;