added table field for widgets

app/controllers/announcements_controller.rb

@@ -83,7 +83,12 @@ class AnnouncementsController < ApplicationController
     {
       "announcements" => anns,
       "extras" => {
-        "more_url"=>OrbitHelper.widget_more_url
+        "more_url"=>OrbitHelper.widget_more_url,
+        "title_head" => t('announcement.table.title'),
+        "date_head" => t('announcement.table.date'),
+        "status_head" => t('announcement.table.status'),
+        "sub_title_head" => t('announcement.table.sub_title'),
+        "category_head" => t('announcement.table.category')
       }
     } 
   end