Add events hub notify calls

Added events hub notify calls.
Fixed issues raised by development across the publish subscribe mechanism development

Change-Id: I0768bdcb2d89f99634cdb6bc7cb75e20263f5c00
Issue-ID: SDC-1029
Signed-off-by: Idan Amit <ia096e@intl.att.com>
diff --git a/catalog-ui/src/app/models/base-pubsub.ts b/catalog-ui/src/app/models/base-pubsub.ts
index ca500ca..ca313b1 100644
--- a/catalog-ui/src/app/models/base-pubsub.ts
+++ b/catalog-ui/src/app/models/base-pubsub.ts
@@ -37,7 +37,7 @@
         this.eventsCallbacks.splice(index, 1)
     }
 
-    public notify(eventType:string, eventData:any) {
+    public notify(eventType:string, eventData?:any) {
         let eventObj = {
             type: eventType,
             data: eventData,
@@ -60,9 +60,9 @@
 
 export class PluginPubSub extends BasePubSub {
 
-    constructor(pluginId: string, subscriberUrl: string) {
+    constructor(pluginId: string, parentUrl: string) {
         super(pluginId);
-        this.register('sdc-hub', window.parent, subscriberUrl);
+        this.register('sdc-hub', window.parent, parentUrl);
         this.subscribe();
     }