Added groups - missing user management. Fixed several issues.

src/app/shared/models/policy.ts

@@ -1,14 +1,13 @@
 export enum PolicyScope {
-    Global,
-    Local
+  Global,
+  Local
 }
 
-export class Policy {
-    public old_path: string|undefined;
-    public old_usage: number|undefined;
-    public old_span: number|undefined;
-
-    constructor(public id: string, public group_id: string, public path: string, public usage: number, public span: number, public temp_group_name: string = "", public editing: boolean = false, public isNew: boolean = false) {
-
-    }
+export interface Policy {
+  id: string;
+  group_id: string;
+  user_id: string;
+  path: string;
+  usage: number;
+  span: number;
 }