I18n: Update translation pl (100%).

387 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation cs (64%).

248 translated messages, 139 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation hr (83%).

325 translated messages, 62 untranslated messages.

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

380 translated messages, 7 untranslated messages.

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

387 translated messages.

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

387 translated messages.

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