Add isotope, categories for announcement page, sort for announcement

app/views/admin/pages/_form.html.erb

@@ -26,7 +26,8 @@
 <p>
 	<%= t('admin.module_app') %>
 	<%= render :partial => "admin/module_apps/app_selector", :locals => { :f => f } %>
-	<span id="app_page_url"><%= select('page','app_frontend_url',  @app_frontend_urls ) rescue ''%> </span>
+	<span id="app_page_url"><%= select('page','app_frontend_url', @app_frontend_urls ) rescue ''%> </span>
+	<span id="app_page_category"><%= select('page','category', @categories.collect{|category| [category.i18n_variable[I18n.locale], category.id]} ) rescue ''%> </span>
 </p>
 <p>
 <%= f.label :is_published, "#{t('admin.is_published')} ?" %>