Log Message:
-----------
Remove now-redundant description of Postgres file layout, in favor of
referencing the Database File Layout chapter I just added to the main
documentation.
Modified Files:
--------------
pgsql/contrib/oid2name:
README.oid2name (r1.10 -> r1.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/oid2name/README.oid2name.diff?r1=1.10&r2=1.11)