I18n: Update translation es (68%).

265 translated messages, 122 untranslated messages.

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

387 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation es (68%).

266 translated messages, 121 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation es (69%).

269 translated messages, 118 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation pl (99%).

386 translated messages, 1 untranslated message.

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