merge changes on oacs-5-1 branch to head, changes between jcd-merge-20040420 and jcd-merge-5-1-20040517 were merged, head pre changes is jcd-merge-pre-20040517 and post is jcd-merge-post-20040517
index.vuh created from the original registered proc because registered procs seem not to play with server 404s (index-oracle.xql index-postgresql.xql had query added)