Implemented Instance View of Topo in GUI2

Change-Id: If603481e729ebc19a6f91db2739f1b422cc762d0
diff --git a/web/gui2/src/main/webapp/app/view/topology/topology.module.ts b/web/gui2/src/main/webapp/app/view/topology/topology.module.ts
index a26f3ec..a954827 100644
--- a/web/gui2/src/main/webapp/app/view/topology/topology.module.ts
+++ b/web/gui2/src/main/webapp/app/view/topology/topology.module.ts
@@ -27,6 +27,7 @@
 import { BackgroundSvgComponent } from './layer/backgroundsvg/backgroundsvg.component';
 import { ForceSvgComponent } from './layer/forcesvg/forcesvg.component';
 import { MapSvgComponent } from './layer/mapsvg/mapsvg.component';
+import { TopologyService } from './topology.service';
 
 /**
  * ONOS GUI -- Topology View Module
@@ -51,6 +52,9 @@
         BackgroundSvgComponent,
         ForceSvgComponent,
         MapSvgComponent
+    ],
+    providers: [
+        TopologyService
     ]
 })
 export class TopologyModule { }