pgsql: Message improvements

Message improvements

Branch
------
REL9_5_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/689cabf402c33a69e595a0d25f61b1fb49fb1c78

Modified Files
--------------
src/backend/access/transam/parallel.c | 6 +++---
src/backend/access/transam/xlog.c | 27 ++++++++++++++-----------
src/backend/catalog/objectaddress.c | 4 ++--
src/backend/commands/copy.c | 2 +-
src/backend/commands/extension.c | 2 +-
src/backend/commands/tablecmds.c | 20 +++++++-----------
src/backend/commands/tablespace.c | 4 ++--
src/backend/libpq/auth.c | 3 +--
src/backend/libpq/pqcomm.c | 2 +-
src/backend/parser/parse_agg.c | 2 +-
src/backend/parser/parse_clause.c | 2 +-
src/backend/parser/parse_relation.c | 4 ++--
src/backend/postmaster/postmaster.c | 6 ++++--
src/backend/storage/lmgr/lwlock.c | 4 ++--
src/backend/utils/adt/array_userfuncs.c | 2 +-
src/backend/utils/adt/encode.c | 4 ++--
src/backend/utils/adt/jsonb.c | 6 +++---
src/backend/utils/misc/guc.c | 6 +++---
src/backend/utils/misc/rls.c | 2 +-
src/port/win32error.c | 4 ++--
src/test/regress/expected/alter_table.out | 12 +++++------
src/test/regress/expected/insert_conflict.out | 6 +++---
src/test/regress/expected/join.out | 8 ++++----
src/test/regress/expected/jsonb.out | 2 +-
src/test/regress/expected/object_address.out | 6 +++---
src/test/regress/expected/rowsecurity.out | 10 ++++-----
26 files changed, 76 insertions(+), 80 deletions(-)