pgsql: Add URL: * Allow statistics last vacuum/analyze execution times

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

* Allow statistics last vacuum/analyze execution times to be displayed
without requiring stats_row_level to be enabled

http://archives.postgresql.org/pgsql-docs/2007-04/msg00028.php

Modified Files:
--------------
pgsql/doc:
TODO (r1.2372 -> r1.2373)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/TODO?r1=1.2372&r2=1.2373)
pgsql/doc/src/FAQ:
TODO.html (r1.880 -> r1.881)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html?r1=1.880&r2=1.881)