angstrom-gdm-autologin-xuser-hack: add autologin for 'xuser' user.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
images: fix IMAGE_PREPROCESS_CMD

It was missing the trailing semicolon.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
development-xfce-image: XFCE based image with development tools inside

Like the GNOME one, but with XFCE

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>