Log Message:
-----------
Draft release notes for upcoming back-branch updates.
Modified Files:
--------------
pgsql/doc/src/sgml:
release.sgml (r1.581 -> r1.582)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml?r1=1.581&r2=1.582)