ignore all topology/topology_upgrade_*_minor.sql

git-svn-id: http://svn.osgeo.org/postgis/trunk@12158 b70326c6-7e19-0410-871a-916f4a2858ee
added ST_SummaryStatsAgg(). Ticket #2565

git-svn-id: http://svn.osgeo.org/postgis/trunk@12159 b70326c6-7e19-0410-871a-916f4a2858ee
Added docs for ST_SummaryStatsAgg()

git-svn-id: http://svn.osgeo.org/postgis/trunk@12160 b70326c6-7e19-0410-871a-916f4a2858ee