- Switch to xfce_panel_plugin_get_icon_size for consistent icon sizes
- Make sure the Disable menuitem is shown in the panel plugin
- Translation updates: Arabic, Asturian, Basque, Belarusian, Bulgarian,
  Catalan, Chinese (China), Chinese (Taiwan), Croatian, Czech, Danish,
  Dutch (Flemish), English (Australia), English (Great Britain), Finnish,
  French, Galician, German, Greek, Hebrew, Hungarian, Icelandic, Indonesian,
  Italian, Japanese, Kazakh, Korean, Latvian, Lithuanian, Malay, Norwegian
  Bokmål, Occitan, Polish, Portuguese, Portuguese (Brazilian), Russian, Serbian,
  Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Ukrainian, Urdu, Urdu
  (Pakistan), Uyghur