I18n: Update translation es (70%).

271 translated messages, 116 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Add new translation uk (100%).

387 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation es (81%).

314 translated messages, 73 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Add new translation zh_HK (100%).

387 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation zh_TW (100%).

387 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation es (81%).

315 translated messages, 72 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).