[Openstack-i18n] Traditional Chinese translation has been completed

Hi all: We has finished the Traditional Chinese translation to 100% since last POT upgrade. https://www.transifex.com/projects/p/horizon/language/zh_TW/ Last POT upgrade has deleted some unperfect translated words. So that our work are good enough. From Xiaowei -- NTHU Xiaowei +886-928337382 zero00072@gmail.com