Log Message:
-----------
Make installation instructions match reality.
Modified Files:
--------------
pgsql-server/contrib/cube:
README.cube (r1.5 -> r1.6)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/cube/README.cube.diff?r1=1.5&r2=1.6)
pgsql-server/contrib/seg:
README.seg (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/seg/README.seg.diff?r1=1.2&r2=1.3)