#2168 test to test non-commutative fix of geog ST_Distance

git-svn-id: http://svn.osgeo.org/postgis/branches/2.0@11919 b70326c6-7e19-0410-871a-916f4a2858ee
add upgrade path from 2.0.3 and get rid of alphas and early betas (no one should be updating from alphss or early betas)

git-svn-id: http://svn.osgeo.org/postgis/branches/2.0@11922 b70326c6-7e19-0410-871a-916f4a2858ee