Log Message:
-----------
Move contrib docs to an appendix (next door to External Projects).
Change title to Additional Supplied Modules. Improve discussion of
how to build and install 'em.
Modified Files:
--------------
pgsql/doc/src/sgml:
contrib.sgml (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/contrib.sgml?r1=1.3&r2=1.4)
postgres.sgml (r1.84 -> r1.85)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/postgres.sgml?r1=1.84&r2=1.85)
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TIP 5: don't forget to increase your free space map settings
