Added rest API to look into the topology events map for debugging

Change-Id: I15f95fa7184bf6e087926c8cbc49db2dd6f65a5a
diff --git a/src/main/java/net/onrc/onos/datagrid/web/DatagridWebRoutable.java b/src/main/java/net/onrc/onos/datagrid/web/DatagridWebRoutable.java
index 28399c8..a8c3f5b 100755
--- a/src/main/java/net/onrc/onos/datagrid/web/DatagridWebRoutable.java
+++ b/src/main/java/net/onrc/onos/datagrid/web/DatagridWebRoutable.java
@@ -20,6 +20,7 @@
         router.attach("/add/intents/json", IntentResource.class);
         router.attach("/get/intents/json", IntentResource.class);
         router.attach("/get/intent/{intent_id}/json", IntentResource.class);
+        router.attach("/get/ng-events/json", GetNGEventsResource.class);
         return router;
     }