Log Message:
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Add doc/load_balance.png, doc/load_balance.odp
Modified Files:
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pgpool-II:
Makefile.am (r1.21 -> r1.22)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/Makefile.am.diff?r1=1.21&r2=1.22)