Remove psql support for server versions preceding 9.2.

Clean up some more freshly-dead code in pg_dump and pg_upgrade.

Remove pg_dump's --no-synchronized-snapshots switch.

Remove pg_upgrade support for upgrading from pre-9.2 servers.

Remove pg_dump/pg_dumpall support for dumping from pre-9.2 servers.

pg_dump: avoid unsafe function calls in getPolicies().

Account for TOAST data while scheduling parallel dumps.

Use PREPARE/EXECUTE for repetitive per-object queries in pg_dump.

Avoid per-object queries in performance-critical paths in pg_dump.

Postpone calls of unsafe server-side functions in pg_dump.

pg_receivewal, pg_recvlogical: allow canceling initial password prompt.

Allow psql's other uses of simple_prompt() to be interrupted by ^C.

Provide a variant of simple_prompt() that can be interrupted by ^C.

Make psql's \password default to CURRENT_USER, not PQuser(conn).

Add a planner support function for starts_with().

contrib/sslinfo needs a fix too to make hamerkop happy.

Second attempt to silence SSL compile failures on hamerkop.

Blind attempt to silence SSL compile failures on hamerkop.

plpgsql: report proper line number for errors in variable initialization.