定制xfce4桌面＝＝排除appfinder的綑绑

如下等同于安装 xfce4-meta，除了不安装 app-finder

emerge -avq xfwm4 xfdesktop xfce4-session xfce4-settings xfce4-terminal gtk-engines-xfce freedesktop-icon-theme dejavu