[Openstack-i18n] Upstream Training material publication

Hi team, Happily, we have new translation feature for Upstream Training material. Also, translation publication job is enabled at now. For ONLY this guide, the translated guide is published immediately. Amazingly, Korean team has almost finished translation. Congrats! http://docs.openstack.org/ko_KR/upstream-training/ Regards, KATO Tomoyuki