Log Message:
-----------
Add description of pcp_promote_node command.
Modified Files:
--------------
pgpool-II/doc:
pgpool-ja.html (r1.122 -> r1.123)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/doc/pgpool-ja.html?r1=1.122&r2=1.123)