Log Message:
-----------
Allow to change weight with reloading pgpool.conf
Modified Files:
--------------
pgpool-II:
pool_config.l (r1.24 -> r1.25)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_config.l?r1=1.24&r2=1.25)