I18n: Update translation nb (60%).

170 translated messages, 113 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation nb (67%).

190 translated messages, 93 untranslated messages.

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

283 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation nb (78%).

222 translated messages, 61 untranslated messages.

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