Use nested config structure

client/app.js

@@ -11,6 +11,7 @@ import * as devicePage from "./device-page";
 import * as errorPage from "./error-page";
 import * as faultsPage from "./faults-page";
 import Authorizer from "../common/authorizer";
+import * as funcCache from "../common/func-cache";
 
 window.authorizer = new Authorizer(window.permissionSets);
 
@@ -68,6 +69,8 @@ function pagify(pageName, page) {
   return component;
 }
 
+setInterval(funcCache.purge, 120000);
+
 m.route(document.body, "/overview", {
   "/login": pagify("login", loginPage),
   "/overview": pagify("overview", overviewPage),