pgsnap - pgsnap: Display databases' name in red if blks_read>=blks_hit.

Log Message:
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Display databases' name in red if blks_read>=blks_hit.

Modified Files:
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pgsnap/pgsnap:
ChangeLog (r1.48 -> r1.49)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/ChangeLog.diff?r1=1.48&r2=1.49)
TODO (r1.19 -> r1.20)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/TODO.diff?r1=1.19&r2=1.20)
pgsnap/pgsnap/lib:
cachehitratio.php (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/cachehitratio.php.diff?r1=1.6&r2=1.7)