Tagged release 3.0.2

Tagged release 2.5.5

Tagged release 2.4.9

Tagged release 3.1.0alpha2

Tagged release 2.3.11

Tagged release 2.5.4

Tagged release 3.0.1

Tagged release 3.1.0alpha1

PostGIS 3.0.0 release

git-svn-id: http://svn.osgeo.org/postgis/tags/3.0.0@17983 b70326c6-7e19-0410-871a-916f4a2858ee

3.0.0rc2 release - hopefully the last RC

git-svn-id: http://svn.osgeo.org/postgis/tags/3.0.0rc2@17909 b70326c6-7e19-0410-871a-916f4a2858ee