Log Message:
-----------
add snapid ordering, report for table + index size changes, report Top 20 SQL statements ordered by total_time
Modified Files:
--------------
pgstatspack/bin:
pgstatspack_report.sh (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatspack/pgstatspack/bin/pgstatspack_report.sh?r1=1.2&r2=1.3)