l10n: Updated Swedish (sv) translation to 100%

New status: 330 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.
Manually convert to utf-8.
I18n: Update translation bg (100%).

330 translated messages.

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

330 translated messages.

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