Log Message:
-----------
Update release notes in final preparation for 8.4.0.
Modified Files:
--------------
pgsql/doc/src/sgml:
release-8.4.sgml (r1.11 -> r1.12)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release-8.4.sgml?r1=1.11&r2=1.12)