adding a 'close' method to DirectSolrConnection. SOLR-212

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@561922 13f79535-47bb-0310-9956-ffa450edef68

src/webapp/src/org/apache/solr/servlet/DirectSolrConnection.java

@@ -177,4 +177,13 @@ public class DirectSolrConnection
     responseWriter.write(out, req, rsp);
     return out.toString();
   }
+  
+  /**
+   * Use this method to close the underlying SolrCore.
+   * 
+   * @since solr 1.3
+   */
+  public void close() {
+    core.close();
+  }
 }