Merge XFCE 4 from @Aerdan

user/catfish/APKBUILD

user/clutter/APKBUILD

user/cogl/APKBUILD

user/cogl/fix-wayland-egl-check.patch

user/exo/APKBUILD

user/ffmpegthumbnailer/APKBUILD

user/garcon/APKBUILD

user/gtksourceview-3.0/APKBUILD

user/iceauth/APKBUILD

user/json-glib/APKBUILD

user/keybinder-3.0/APKBUILD

user/libburn/APKBUILD

user/libisofs/APKBUILD

user/libmpd/APKBUILD

user/libopenraw/APKBUILD

user/libpsl/APKBUILD

user/libpsl/use-python3.patch

user/libsoup/APKBUILD

user/libwnck/APKBUILD

user/libxfce4ui/APKBUILD