Set packet number of all freeciv-web specific packets to range 256:511

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>
Freeze freeciv-web network capstr for now.

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>
Update freeciv server to r26149

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>
Allow Diplomats to steal tech

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>