Update setting view

Author: fkdkent

app/models/issue.rb

@@ -54,7 +54,7 @@ class Issue < ActiveRecord::Base
   acts_as_activity_provider :scope => proc { preload(:project, :author, :tracker, :status) },
                             :author_key => :author_id
 
-  DONE_RATIO_OPTIONS = %w(issue_field issue_status)
+  DONE_RATIO_OPTIONS = %w(issue_field issue_status issue_field_and_closed_status)
 
   attr_reader :transition_warning
   attr_writer :deleted_attachment_ids

config/locales/en.yml

@@ -463,6 +463,7 @@ en:
   setting_issue_done_ratio: Calculate the issue done ratio with
   setting_issue_done_ratio_issue_field: Use the issue field
   setting_issue_done_ratio_issue_status: Use the issue status
+  setting_issue_done_ratio_issue_field_and_closed_status: Use the issue field and closed status
   setting_start_of_week: Start calendars on
   setting_rest_api_enabled: Enable REST web service
   setting_cache_formatted_text: Cache formatted text