I18n: Update translation tr (67%).

189 translated messages, 93 untranslated messages.

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

282 translated messages.

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

222 translated messages, 60 untranslated messages.

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

278 translated messages, 4 untranslated messages.

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

279 translated messages, 3 untranslated messages.

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