Slightly increases default visualization sizes

src/main/java/de/tu_darmstadt/tk/SmartHomeNetworkSim/core/configuration/VisualizationConfiguration.java

@@ -61,10 +61,10 @@ public class VisualizationConfiguration {
 		setShowSmartDevices(true);
 		setShowSmartDeviceNames(true);
 		setShowTerminatedConnections(false);
-		setDeviceVisualizationRadius(17);
+		setDeviceVisualizationRadius(25);
 		setShowLinkToolTips(true);
 		setShowLinkNameList(true);
-		setLinkRadius(6);
+		setLinkRadius(10);
 	}
 
 	/**