pgsql: Add: > o Fix problem when cascading referential triggers make

Log Message:
-----------
Add:

o Fix problem when cascading referential triggers make changes on
cascaded tables, seeing the tables in an intermediate state

http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php
http://archives.postgresql.org/pgsql-hackers/2005-09/msg00174.php

Modified Files:
--------------
pgsql/doc:
TODO (r1.1857 -> r1.1858)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1857&r2=1.1858)
pgsql/doc/src/FAQ:
TODO.html (r1.360 -> r1.361)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.360&r2=1.361)