Added 'Estimated hours' attribute on issues.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@731 e93f8b46-1217-0410-a6f0-8f06a7374b81

lang/en.yml

@@ -158,6 +158,7 @@ field_issue_to_id: Related issue
 field_delay: Delay
 field_assignable: Issues can be assigned to this role
 field_redirect_existing_links: Redirect existing links
+field_estimated_hours: Estimated time
 
 setting_app_title: Application title
 setting_app_subtitle: Application subtitle
@@ -416,6 +417,8 @@ label_sort_by: Sort by "%s"
 label_send_test_email: Send a test email
 label_feeds_access_key_created_on: RSS access key created %s ago
 label_module_plural: Modules
+label_added_time_by: Added %s ago by %s
+label_updated_time: Updated %s ago
 
 button_login: Login
 button_submit: Submit