fixed DQL queries to work after renameing

_hello_world_example/DMLListEntitiesQuery.dql

 LIST ENTITIES
-USING dml@'/_hello_world_example/minmodels.properties';
+USING dml@'DML Examples/_hello_world_example/minmodels.properties';
\ No newline at end of file

_hello_world_example/DMLListMetrics.dql

 LIST METRICS (RESOURCE '_I3tj4EnuEeOWVc_o6w1CBw' AS res1,
 			  SERVICE  '_A_DeMEmxEeOPLK3yYyEQWQ' AS svc1) 
-USING dml@'/_hello_world_example/minmodels.properties';
+USING dml@'DML Examples/_hello_world_example/minmodels.properties';
\ No newline at end of file

_hello_world_example/DMLSelectMetrics.dql

 SELECT res1.utilization, svc1.avgResponseTime
 FOR RESOURCE '_I3tj4EnuEeOWVc_o6w1CBw' AS res1,
 	SERVICE  '_A_DeMEmxEeOPLK3yYyEQWQ' AS svc1 
-USING dml@'/_hello_world_example/minmodels.properties';
+USING dml@'DML Examples/_hello_world_example/minmodels.properties';
\ No newline at end of file