pgsql: Doc: Fix event trigger firing table

Doc: Fix event trigger firing table

The table has not been updated for some commands introduced in recent
releases, so refresh it. While on it, reorder entries alphabetically.

Backpatch all the way down for all the commands which have gone
missing.

Reported-by: Jeremy Smith
Discussion: /messages/by-id/15883-afff0ea3cc2dbbb6@postgresql.org
Backpatch-through: 9.4

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/44460d7017cde005d7a2e246db0b32375bfec15d

Modified Files
--------------
doc/src/sgml/event-trigger.sgml | 150 +++++++++++++++++++++++++++++++++++++++-
1 file changed, 147 insertions(+), 3 deletions(-)