paging and a little styling

app/views/layouts/application.html.haml

@@ -10,7 +10,7 @@
   %body
     = render partial: 'layouts/alerts'
     = render partial: 'layouts/navigation'
-    = render partial: 'sub_nav' if lookup_context.find_all('sub_nav').any?
+    = render partial: 'sub_nav'
     = yield
     = render partial: 'layouts/footer'
     = yield :modals