Renamed *NetworkGraph* references to *Topology*.

Change-Id: Iec01c47086e1518592c0753e75395d3fe5abcde3
diff --git a/src/main/java/net/onrc/onos/core/intent/runtime/PlanCalcRuntime.java b/src/main/java/net/onrc/onos/core/intent/runtime/PlanCalcRuntime.java
index 436edaf..087bff8 100644
--- a/src/main/java/net/onrc/onos/core/intent/runtime/PlanCalcRuntime.java
+++ b/src/main/java/net/onrc/onos/core/intent/runtime/PlanCalcRuntime.java
@@ -19,7 +19,7 @@
 import net.onrc.onos.core.intent.PathIntent;
 import net.onrc.onos.core.intent.ShortestPathIntent;
 import net.onrc.onos.core.topology.LinkEvent;
-//import net.onrc.onos.core.topology.NetworkGraph;
+//import net.onrc.onos.core.topology.Topology;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -30,10 +30,10 @@
 
 public class PlanCalcRuntime {
 
-    //    NetworkGraph graph;
+    //    Topology graph;
     private static final Logger log = LoggerFactory.getLogger(PlanCalcRuntime.class);
 
-    public PlanCalcRuntime(/*NetworkGraph graph*/) {
+    public PlanCalcRuntime(/*Topology graph*/) {
 //      this.graph = graph;
     }