Log Message:-----------Update release notes, per comments from Simon Riggs.
Modified Files:-------------- pgsql/doc/src/sgml: release-9.0.sgml (r2.53 -> r2.54) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release-9.0.sgml?r1=2.53&r2=2.54)
