I18n: Update translation es (90%).

354 translated messages, 39 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation es (93%).

368 translated messages, 25 untranslated messages.

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

393 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Update translation is (95%).

374 translated messages, 19 untranslated messages.

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