Log Message:
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Add css file for Japanese.
Added Files:
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pgpool-II/doc:
pgpool-ja.css (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/doc/pgpool-ja.css?rev=1.1&content-type=text/x-cvsweb-markup)