Possible hacky workaround for #2068.

app/templates/core/not-found.jade

@@ -4,7 +4,7 @@ block content
 
   h1.text-center(data-i18n="not_found.page_not_found") Page Not Found
 
-  num = Math.floor(Math.random() * 3) + 1
+  - var num = Math.floor(Math.random() * 3) + 1;
 
   img(src="/images/pages/not_found/404_#{num}.png" class="not-found-image")
 

app/views/core/NotFoundView.coffee

@@ -4,3 +4,10 @@ template = require 'templates/core/not-found'
 module.exports = class NotFoundView extends RootView
   id: 'not-found-view'
   template: template
+
+  # For some reason, it wasn't really rendering the top bar or doing i18n, so I hacked around it. (#2068.)
+  afterRender: ->
+    unless @renderedOnce
+      _.delay (=> @render?()), 1000
+    @renderedOnce = true
+    super()