pgsql: pg_dump: Dump subscriptions by default

pg_dump: Dump subscriptions by default

Dump subscriptions if the current user is a superuser, otherwise write a
warning and skip them. Remove the pg_dump option
--include-subscriptions.

Discussion: https://www.postgresql.org/message-id/e4fbfad5-c6ac-fd50-6777-18c84b34eb2f@2ndquadrant.com

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/c31671f9b5f6eee9b6726baad2db1795c94839d1

Modified Files
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doc/src/sgml/logical-replication.sgml | 7 +++---
doc/src/sgml/ref/pg_dump.sgml | 9 --------
src/bin/pg_dump/pg_backup.h | 2 --
src/bin/pg_dump/pg_backup_archiver.c | 1 -
src/bin/pg_dump/pg_dump.c | 43 ++++++++++++++++++++++++++++++-----
src/bin/pg_dump/pg_restore.c | 3 ---
src/bin/pg_dump/t/002_pg_dump.pl | 24 ++++++++-----------
7 files changed, 50 insertions(+), 39 deletions(-)