l10n: Updated Slovenian (sl) translation to 100%

New status: 279 messages complete with 0 fuzzies and 0 untranslated.

Transmitted-via: Transifex (translations.xfce.org).
I18n: Remove broken / unsupported translations.

See http://users.xfce.org/~nick/broken-i18n/ for files and logs.

Use https://www.transifex.com/projects/p/xfce/ to upload fixed versions or request a translation team.
I18n: Update translation tr (100%).

279 translated messages.

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

279 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
Remove unneeded files.
I18n: Update translation hr (82%).

231 translated messages, 48 untranslated messages.

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

279 translated messages.

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

279 translated messages.

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

279 translated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
I18n: Add new translation en_AU (100%).

279 translated messages.

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