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
fix the parse to get the lock token, return size 0 for null content length, urldecode the Destination header. make some ns_log notices debug. flip size and filename for the cr_import_content call.