#2295 Nathan Wagner patch to support for dumping circular strings in dump points

git-svn-id: http://svn.osgeo.org/postgis/trunk@11349 b70326c6-7e19-0410-871a-916f4a2858ee
change log tables generated to have 21 in name (topology garden test is far from done)

git-svn-id: http://svn.osgeo.org/postgis/trunk@11350 b70326c6-7e19-0410-871a-916f4a2858ee