Add isotope, categories for announcement page, sort for announcement

app/controllers/admin/module_apps_controller.rb

@@ -11,6 +11,7 @@ class Admin::ModuleAppsController < ApplicationController
 
   def reload_frontend_pages
     @module_app = ModuleApp.find(params[:id])
+    @categories = @module_app.key.eql?('announcement') ? BulletinCategory.all : nil 
     respond_to do |format|
       format.js  {}
     end

app/controllers/admin/pages_controller.rb

@@ -31,6 +31,7 @@ class Admin::PagesController < ApplicationController
     @designs = Design.all.entries
     @design = @item.design ? @item.design : @designs.first
     @app_frontend_urls = @item.module_app.app_pages if @item.module_app
+    @categories =  BulletinCategory.all if @item.module_app && @item.module_app.key.eql?('announcement')
   end
 
   def create