Log Message:-----------Mention synchronize_seqscans GUC variable in release notes.Update expected release date.
Modified Files:-------------- pgsql/doc/src/sgml: release.sgml (r1.576 -> r1.577) (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml?r1=1.576&r2=1.577)
