#2219 -- back port how to release details from trunk to 2.0

git-svn-id: http://svn.osgeo.org/postgis/branches/2.0@11130 b70326c6-7e19-0410-871a-916f4a2858ee
oops slightly different from trunk

git-svn-id: http://svn.osgeo.org/postgis/branches/2.0@11131 b70326c6-7e19-0410-871a-916f4a2858ee