pgsql: Pl/pgsql MOVE done: < o Add support for MOVE and SCROLL

Log Message:
-----------
Pl/pgsql MOVE done:

< o Add support for MOVE and SCROLL cursors
<
< PL/pgSQL cursors should support the same syntax as
< backend cursors.
<

o -Add support for MOVE cursors
o Add support for SCROLL cursors

Modified Files:
--------------
pgsql/doc:
TODO (r1.2174 -> r1.2175)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.2174&amp;r2=1.2175)
pgsql/doc/src/FAQ:
TODO.html (r1.675 -> r1.676)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.675&amp;r2=1.676)