Fixed the error causing the coordinator to not work (the coordinator.launch...

Fixed the error causing the coordinator to not work (the coordinator.launch file was not zero padding the coordID)

dfall_ws/src/dfall_pkg/launch/coordinator.launch

@@ -12,7 +12,7 @@
 	<!-- Example of how to specify the coordID from command line -->
 	<!-- roslaunch dfall_pkg coordID:=001 -->
 
-	<group ns="coord$(arg coordID)">
+	<group ns="$(eval 'agent' + str(coordID).zfill(3))">
 
 		<!-- COORDINATOR GUI -->
 		<group if="$(arg withGUI)">