AMBARI-2282. Custom config properties cannot be added in Customize Services step. (yusaku)

git-svn-id: https://svn.apache.org/repos/asf/incubator/ambari/trunk@1489674 13f79535-47bb-0310-9956-ffa450edef68

ambari-web/app/controllers/wizard/step7_controller.js

@@ -38,6 +38,8 @@ App.WizardStep7Controller = Em.Controller.extend({
 
   slaveHostToGroup: null,
 
+  secureConfigs: require('data/secure_mapping'),
+
   isSubmitDisabled: function () {
     return !this.stepConfigs.filterProperty('showConfig', true).everyProperty('errorCount', 0);
   }.property('stepConfigs.@each.errorCount'),