Remove news and fix default_url in ImageUploader

lib/tasks/data_migration.rake

@@ -19,10 +19,7 @@ namespace :data_migration do
     NewsBulletinCategory.all.each{|bc| bc.disable=false;bc.save!}
   end
 
-  task :add_search_widget_to_news_and_announcement => :environment do
-    app = ModuleApp.first({:conditions=>{:title => 'news'}})
-    app.widgets << "news_bulletins_search_block" if !app.widgets.include?("news_bulletins_search_block")
-    app.save!
+  task :add_search_widget_to_announcement => :environment do
     app = ModuleApp.first({:conditions=>{:title => 'Announcement'}})
     app.widgets << "bulletins_search_block" if !app.widgets.include?("bulletins_search_block")
     app.save!