pgbouncer - pgbouncer: few doc cleanups

Log Message:
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few doc cleanups

Modified Files:
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pgbouncer/doc:
config.txt (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbouncer/pgbouncer/doc/config.txt.diff?r1=1.9&r2=1.10)
usage.txt (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbouncer/pgbouncer/doc/usage.txt.diff?r1=1.5&r2=1.6)