Sync Integ to Master

Change-Id: I71e3acc26fa612127756ac04073a522b9cc6cd74
Issue-ID: SDC-977
Signed-off-by: Gitelman, Tal (tg851x) <tg851x@intl.att.com>
diff --git a/catalog-ui/src/app/models/artifacts.ts b/catalog-ui/src/app/models/artifacts.ts
index 0aa07d1..959480b 100644
--- a/catalog-ui/src/app/models/artifacts.ts
+++ b/catalog-ui/src/app/models/artifacts.ts
@@ -20,6 +20,7 @@
 
 'use strict';
 
+import * as _ from "lodash";
 import {ArtifactType} from './../utils';
 import {HeatParameterModel} from "./heat-parameters";