PostgreSQL FAQ dead links and updates - Sections 1.4, 1.11, 2.3 and 4.18

While going through the PostgreSQL FAQ I found a few links that I
think should be updated:

Section 1.4 - pointing people to the pginstaller from pgfoundry for
win32 should no longer be encouraged as the native installers are on
the main repos now.

Section 1.4 - It should be
http://developer.novell.com/wiki/index.php/Postgresql instead of
http://forge.novell.com/ as novells forge has been absorbed into their
wiki for a few months now.

Section 1.11 - the last of the tutorial links no longer exists and
should be removed.

Section 2.3 - should be updated to point to the new wiki location for
tech articles, http://wiki.postgresql.org/wiki/Community_Guide_to_PostgreSQL_GUI_Tools
is the proper url for this section I believe.

Section 4.18 - should be updated to point to the new wiki location for
tech articles, http://wiki.postgresql.org/wiki/Return_more_than_one_row_of_data_from_PL/pgSQL_functions
is the proper url for this section I believe.

Cheers,

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Curtis Gallant