pgsql: Update packages: < private functions, and initialization

Log Message:
-----------
Update packages:

< private functions, and initialization functions

private functions, and initialization functions. It
is also possible to implement these capabilities
in all schemas and not use a separate "packages"
syntax at all.

Modified Files:
--------------
pgsql/doc:
TODO (r1.1940 -> r1.1941)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1940&amp;r2=1.1941)
pgsql/doc/src/FAQ:
TODO.html (r1.442 -> r1.443)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.442&amp;r2=1.443)