Revert "Temporarily disable redirects for Gehirn DNS's down"

This reverts commit e266000.

Author: yasulab

config/environments/production.rb

@@ -92,9 +92,9 @@
   config.active_record.dump_schema_after_migration = false
 
   # Redirect if not in correct domains
-  #config.middleware.use Rack::HostRedirect, {
-  #  %w(coderdojo-japan.herokuapp.com www.coderdojo.jp) => 'coderdojo.jp'
-  #}
+  config.middleware.use Rack::HostRedirect, {
+    %w(coderdojo-japan.herokuapp.com www.coderdojo.jp) => 'coderdojo.jp'
+  }
 
   # Mailer settings
   config.action_mailer.delivery_method       = :smtp