Fix typo in core lib

Change i18n for more link in announcement init

vendor/built_in_modules/announcement/init.rb

@@ -27,7 +27,7 @@ module Announcement
         field :postdate
         link_field :title,{:method => 'panel_announcement_front_end_bulletin_path',:args=>:self}
         link_field :bulletin_category_with_title,{:method => 'panel_announcement_front_end_bulletins_path',:args=>{:category_id => [:bulletin_category,:id]}}
-        link_to_more 'panel_announcement_front_end_bulletins_path',:title_i18n=> 'announcement.default_widget.to_more'
+        link_to_more 'panel_announcement_front_end_bulletins_path',:title_i18n=> 'more_plus'
       end
 
       categories_query 'BulletinCategory.all'