Added mocks for all model types, added CollectionDataService

src/app/core/shared/bundle.model.ts

@@ -0,0 +1,22 @@
+import { inheritSerialization } from "cerialize";
+import { DSpaceObject } from "./dspace-object.model";
+import { Bitstream } from "./bitstream.model";
+import { Item } from "./item.model";
+
+@inheritSerialization(DSpaceObject)
+export class Bundle extends DSpaceObject {
+    /**
+     * The primary bitstream of this Bundle
+     */
+    primaryBitstream: Bitstream;
+
+    /**
+     * An array of Items that are direct parents of this Bundle
+     */
+    parents: Array<Item>;
+
+    /**
+     * The Item that owns this Bundle
+     */
+    owner: Item;
+}