Makefile: Added AIX targets from Ole Holm Nielsen <Ole.H.Nielsen@uni-c.dk>

Makefile:	Added AIX targets from Ole Holm Nielsen <Ole.H.Nielsen@uni-c.dk>
chgpasswd.c:	Added Samba/GPL notice (for obvious reasons).
clitar.c:		Updated Copyright date to include 1997 (for obvious reasons).
getsmbpass.c:	Updated Copyright date to include 1997 (for obvious reasons).
includes.h:		Added stropts for solaris.
loadparm.c:		Changed comment for hide files option.
nameconf.c:		Updated Copyright date to include 1997 (for obvious reasons).
nmbd.c:			Updated Copyright date to include 1997 (for obvious reasons).
pcap.c:			Updated Copyright date to include 1997 (for obvious reasons).
proto.h:		Re-added accidentaly deleted smb_shm_ calls.
quotas.c:		Added AIX quota patch from Ole Holm Nielsen <ohnielse@fysik.dtu.dk>
server.c:		Optimization on calling is_hidden_path. Updated Copyrights.
smb.h:			Changed DEFAULT_FILES_TO_HIDE from  "*/.*" to ".*".
smbpass.c:		Updated Copyright date to include 1997 (for obvious reasons).
ufc.c:			Updated Copyright date to include 1997 (for obvious reasons).
util.c:			Added last component code to is_in_path().
Jeremy (jallison@whistle.com)