pgsql: Reduce messages about implicit indexes and sequences to DEBUG1.

Reduce messages about implicit indexes and sequences to DEBUG1.

Per recent discussion on pgsql-hackers, these messages are too
chatty for most users.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/d7c734841b3e6cb44de363a8a3d83c35b75b30d9

Modified Files
--------------
contrib/btree_gist/expected/not_equal.out | 1 -
contrib/citext/expected/citext.out | 1 -
contrib/citext/expected/citext_1.out | 1 -
contrib/dblink/expected/dblink.out | 4 --
contrib/pgstattuple/expected/pgstattuple.out | 1 -
contrib/sepgsql/expected/ddl.out | 3 -
contrib/sepgsql/expected/dml.out | 1 -
contrib/tablefunc/expected/tablefunc.out | 1 -
doc/src/sgml/tcn.sgml | 1 -
src/backend/commands/indexcmds.c | 2 +-
src/backend/parser/parse_utilcmd.c | 2 +-
src/pl/plpython/expected/plpython_error.out | 1 -
src/pl/plpython/expected/plpython_error_0.out | 1 -
src/pl/plpython/expected/plpython_schema.out | 10 ----
.../plpython/expected/plpython_subtransaction.out | 1 -
.../expected/plpython_subtransaction_0.out | 1 -
.../expected/plpython_subtransaction_5.out | 1 -
src/test/regress/expected/alter_table.out | 28 ------------
src/test/regress/expected/arrays.out | 1 -
src/test/regress/expected/cluster.out | 9 ----
src/test/regress/expected/collate.out | 1 -
src/test/regress/expected/copy2.out | 1 -
src/test/regress/expected/copyselect.out | 2 -
src/test/regress/expected/create_table.out | 5 --
src/test/regress/expected/create_table_like.out | 7 ---
src/test/regress/expected/delete.out | 2 -
src/test/regress/expected/dependency.out | 7 ---
src/test/regress/expected/domain.out | 1 -
src/test/regress/expected/enum.out | 1 -
src/test/regress/expected/foreign_data.out | 1 -
src/test/regress/expected/foreign_key.out | 46 --------------------
src/test/regress/expected/functional_deps.out | 9 ----
src/test/regress/expected/inherit.out | 6 ---
src/test/regress/expected/join.out | 14 ------
src/test/regress/expected/namespace.out | 2 -
src/test/regress/expected/plpgsql.out | 3 -
src/test/regress/expected/rangefuncs.out | 4 --
src/test/regress/expected/rangetypes.out | 2 -
src/test/regress/expected/returning.out | 1 -
src/test/regress/expected/rowtypes.out | 2 -
src/test/regress/expected/rules.out | 9 ----
src/test/regress/expected/select_views.out | 1 -
src/test/regress/expected/select_views_1.out | 1 -
src/test/regress/expected/sequence.out | 7 ---
src/test/regress/expected/sequence_1.out | 7 ---
src/test/regress/expected/subselect.out | 3 -
src/test/regress/expected/temp.out | 2 -
src/test/regress/expected/transactions.out | 2 -
src/test/regress/expected/triggers.out | 10 ----
src/test/regress/expected/truncate.out | 5 --
src/test/regress/expected/typed_table.out | 3 -
src/test/regress/expected/union.out | 1 -
src/test/regress/expected/vacuum.out | 1 -
src/test/regress/expected/with.out | 2 -
src/test/regress/output/constraints.source | 10 ----
55 files changed, 2 insertions(+), 250 deletions(-)