Log Message:
-----------
Add new parameter named "replication_select".
Modified Files:
--------------
pgpool:
pgpool.conf.sample (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool/pgpool.conf.sample.diff?r1=1.8&r2=1.9)