dbi-link - dbi-link: Fixes for triggers & docs.

Log Message:
-----------
Fixes for triggers & docs.

Modified Files:
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dbi-link:
README.txt (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/README.txt.diff?r1=1.3&r2=1.4)
make_connection.sql (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/make_connection.sql.diff?r1=1.6&r2=1.7)
remote_query.sql (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/remote_query.sql.diff?r1=1.3&r2=1.4)