4.17.0

- Add xfce_unescape_desktop_entry_value
- xfce-gio-extensions - management of gvfs trusted attribute
- libxfce4util needs to be first character Capital
- Partially revert "Fix (some) GObject introspection warnings"
- Fix (some) GObject introspection warnings
- Revamp the documentation to uniformize accross components
- Translation Updates:
  Belarusian, Estonian, Norwegian Bokmål, Spanish