Fixed the handling of removeDevice events to ensure devices are removed from the database
diff --git a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
index 14cffd8..c1f66d9 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
@@ -273,6 +273,7 @@
 	@Override
 	public void deviceRemoved(IDevice device) {
 		// TODO Auto-generated method stub
+		devStore.removeDevice(device);
 	}
 
 	@Override