Added d3 force graph to GUI2 topology

Change-Id: I6860472efaf51ea27fad74e630e687f0c6abad3d
diff --git a/web/gui2/src/main/webapp/app/onos-routing.module.ts b/web/gui2/src/main/webapp/app/onos-routing.module.ts
index 962f5a3..77bce5a 100644
--- a/web/gui2/src/main/webapp/app/onos-routing.module.ts
+++ b/web/gui2/src/main/webapp/app/onos-routing.module.ts
@@ -89,7 +89,7 @@
     },
     {
         path: '',
-        redirectTo: 'device', // Default to devices view - change to topo in future
+        redirectTo: 'topo2', // Default to Topology view
         pathMatch: 'full'
     }
 ];