Added outline of the path taken through the NetworkGraph by an event generated from the discovery modules

Change-Id: Id875f54f522e3a9135e1a7e9a989167ca532a7a5
diff --git a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/NetworkGraphModule.java b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/NetworkGraphModule.java
index 0824f63..7315f1c 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/NetworkGraphModule.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/NetworkGraphModule.java
@@ -19,7 +19,7 @@
 	// private RCNetworkGraphPublisher eventListener;
 	
 	private NetworkGraphImpl networkGraph;
-	private NetworkGraphDatastore southboundNetworkGraph;
+	//private NetworkGraphDatastore southboundNetworkGraph;
 
 	private IRestApiService restApi;
 
@@ -54,7 +54,7 @@
 		restApi = context.getServiceImpl(IRestApiService.class);
 		
 		networkGraph = new NetworkGraphImpl();
-		southboundNetworkGraph = new NetworkGraphDatastore(networkGraph);
+		//southboundNetworkGraph = new NetworkGraphDatastore(networkGraph);
 	}
 
 	@Override
@@ -68,8 +68,8 @@
 	}
 
 	@Override
-	public NetworkGraphDatastore getSouthboundNetworkGraph() {
-		return southboundNetworkGraph;
+	public NetworkGraphDiscoveryInterface getNetworkGraphDiscoveryInterface() {
+		return networkGraph;
 	}
 
 }