Log Message:
-----------
Update failover docs, per suggestions from Chris Browne.
Modified Files:
--------------
pgsql/doc/src/sgml:
failover.sgml (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/failover.sgml.diff?r1=1.3&r2=1.4)