kauf: AI diplomacy preparation patch. add checks for...

This is an automated notification of a change to freeciv cvs, 
on Wed Apr  3 19:51:04 PST 2002 = Thu Apr  4 03:51:04 2002 (GMT)
by Mike Kaufman <kaufman@xxxxxxxxxxxxxxxxxxxxxx>

---- Files affected:

freeciv/ai advmilitary.c aitools.c aiunit.c
freeciv/common combat.c player.c
freeciv/server barbarian.c plrhand.c plrhand.h savegame.c settlers.c 
stdinhand.c unittools.c

---- Log message:

AI diplomacy preparation patch. add checks for allied 
or enemy players/tiles instead of just self or an owned tile.
Remove DS_WAR hack on game load.

Patch by Per I. Mathisen <Per.Inge.Mathisen@xxxxxxxxxxx>