AMBARI-4614. Turn on App.supports.appTimelineServer by default. (Buzhor Denys via yusaku)

ambari-web/app/config.js

@@ -65,7 +65,7 @@ App.supports = {
   highAvailability: true,
   deleteHost: true,
   autoRollbackHA: false,
-  appTimelineServer: false,
+  appTimelineServer: true,
   jobs: false
 };