Add reference to XSD so they can be validated with Xerces
-rw-r--r-- 15127 LICENSE
-rw-r--r-- 503 Makefile.am
-rw-r--r-- 303 NEWS
-rw-r--r-- 2494 README
-rwxr-xr-x 269 buildconf.sh
-rw-r--r-- 1179 configure.in
drwxr-xr-x - debian
drwxr-xr-x - doc
drwxr-xr-x - etc
drwxr-xr-x - include
drwxr-xr-x - src
drwxr-xr-x - win
-rw-r--r-- 3468 yaz.m4
-rw-r--r-- 1587 yazpp.m4