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)