Log Message:
-----------
Add to major release notes items, per Simon.
Modified Files:
--------------
pgsql/doc/src/sgml:
release.sgml (r1.452 -> r1.453)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml.diff?r1=1.452&r2=1.453)