Fix a small memory leak
Fix icon theme colors

When the icon theme colors change, either thorugh gtkrc files or
Xfsettingd, xfdesktop will now properly reflect those changes.
I18n: Update translation da (97%).

210 translated messages, 6 untranslated messages.

Transifex (https://www.transifex.com/projects/p/xfce/).
Updates for release.
Post release tag bump.