Improved error message in leaked session detection to reflect the changes to the resource management in driver.

Author: Zhen Li

driver/src/main/java/org/neo4j/driver/internal/LeakLoggingNetworkSession.java

@@ -48,8 +48,8 @@ private void logLeakIfNeeded()
         Boolean isOpen = Futures.blockingGet( currentConnectionIsOpen() );
         if ( isOpen )
         {
-            logger.error( "Neo4j Session object leaked, please ensure that your application" +
-                          "calls the `close` method on Sessions before disposing of the objects.\n" +
+            logger.error( "Neo4j Session object leaked, please ensure that your application " +
+                          "fully consumes results in Sessions or explicitly calls `close` on Sessions before disposing of the objects.\n" +
                           "Session was create at:\n" + stackTrace, null );
         }
     }