pgsql: Update packages description: < A package would be a schema

Log Message:
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Update packages description:

< A package would be a schema with its own variables,
< private functions, and initialization functions. It

A package would be a schema with public/private variables,
public/private functions, and initialization functions. It

Modified Files:
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pgsql/doc:
TODO (r1.1941 -> r1.1942)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1941&amp;r2=1.1942)
pgsql/doc/src/FAQ:
TODO.html (r1.443 -> r1.444)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.443&amp;r2=1.444)