I18n: Update translation ast (82%).

58 translated messages, 12 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation ast (98%).

69 translated messages, 1 untranslated message.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation te (55%).

39 translated messages, 31 untranslated messages.

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

70 translated messages.

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