pgsnap - pgsnap: Review of the "Activities" and "Statistics" reports.

Log Message:
-----------
Review of the "Activities" and "Statistics" reports.

Modified Files:
--------------
    pgsnap/pgsnap:
        ChangeLog (r1.24 -> r1.25)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/ChangeLog.diff?r1=1.24&r2=1.25)
    pgsnap/pgsnap/lib:
        activities.php (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/activities.php.diff?r1=1.4&r2=1.5)
        bgwriter.php (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/bgwriter.php.diff?r1=1.4&r2=1.5)
        cachehitratio.php (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/cachehitratio.php.diff?r1=1.3&r2=1.4)
        lastanalyzetables.php (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/lastanalyzetables.php.diff?r1=1.5&r2=1.6)
        lastvacuumtables.php (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/lastvacuumtables.php.diff?r1=1.5&r2=1.6)
        locks.php (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/locks.php.diff?r1=1.4&r2=1.5)
        preparedstatements.php (r1.4 -> r1.5)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/preparedstatements.php.diff?r1=1.4&r2=1.5)
        preparedxacts.php (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnap/pgsnap/pgsnap/lib/preparedxacts.php.diff?r1=1.4&r2=1.5)