Working on Bay-Area-Region Demo.
- added latitude / longitude parameters to regions, so the icons can be "placed" on a GEO-map

Change-Id: I5cf939f22597d4658ab603459b2b3059ba0db0c9
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java
index 93ef2a6..26bca8c 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java
@@ -73,9 +73,9 @@
         HostId id = sim.nextHostId();
         HostLocation location = findAvailablePort(deviceId);
         BasicHostConfig cfg = cfgService.addConfig(id, BasicHostConfig.class);
-        cfg.latitude(latitude);
-        cfg.longitude(longitude);
-        cfg.apply();
+        cfg.latitude(latitude)
+                .longitude(longitude)
+                .apply();
 
         sim.createHost(id, location, IpAddress.valueOf(hostIp));
     }