pgsql: Make default_with_oids default to false -- user-created tables

Log Message:
-----------
Make default_with_oids default to false -- user-created tables will now
no longer include OIDs, unless WITH OIDS is specified or the
default_with_oids configuration parameter is enabled. Update the docs
accordingly.

Modified Files:
--------------
pgsql/doc/src/sgml:
datatype.sgml (r1.155 -> r1.156)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/datatype.sgml.diff?r1=1.155&r2=1.156)
ddl.sgml (r1.39 -> r1.40)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ddl.sgml.diff?r1=1.39&r2=1.40)
plpgsql.sgml (r1.61 -> r1.62)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/plpgsql.sgml.diff?r1=1.61&r2=1.62)
pltcl.sgml (r2.34 -> r2.35)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/pltcl.sgml.diff?r1=2.34&r2=2.35)
runtime.sgml (r1.307 -> r1.308)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/runtime.sgml.diff?r1=1.307&r2=1.308)
pgsql/doc/src/sgml/ref:
select_into.sgml (r1.33 -> r1.34)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/select_into.sgml.diff?r1=1.33&r2=1.34)
pgsql/src/backend/utils/misc:
guc.c (r1.254 -> r1.255)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/guc.c.diff?r1=1.254&r2=1.255)
postgresql.conf.sample (r1.135 -> r1.136)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/misc/postgresql.conf.sample.diff?r1=1.135&r2=1.136)