Make QueryRunner interface extend Resource that is also AutoCloseable

Author: injectives

driver/src/main/java/org/neo4j/driver/QueryRunner.java

@@ -20,6 +20,8 @@
 
 import java.util.Map;
 
+import org.neo4j.driver.util.Resource;
+
 /**
  * Common interface for components that can execute Neo4j queries.
  *
@@ -59,7 +61,7 @@
  * @see Transaction
  * @since 1.0
  */
-public interface QueryRunner
+public interface QueryRunner extends Resource
 {
     /**
      * Run a query and return a result stream.