[system admin] added 'address book'

static/scripts/sysadmin-app/collection/address-book-group.js

@@ -0,0 +1,28 @@
+define([
+    'underscore',
+    'backbone',
+    'common'
+], function(_, Backbone, Common) {
+    'use strict';
+
+    var collection = Backbone.Collection.extend({
+        setOptions: function(options) {
+            this.options = options;
+        },
+
+        url: function() {
+            return Common.getUrl({
+                name: 'admin-address-book-group',
+                group_id: this.options.group_id
+            });
+        },
+
+        parse: function(data) {
+            this.data = data;
+            return data.groups;
+        }
+
+    });
+
+    return collection;
+});