Log Message:
-----------
Update release notes for 8.3.1 and 8.2.7 releases.
Modified Files:
--------------
pgsql/doc/src/sgml:
release.sgml (r1.579 -> r1.580)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml?r1=1.579&r2=1.580)