Assorted spanish translations

Patchers,

I attach a tarball with the 10 message catalogs fully translated to
spanish.

$ find . -name es.po | LC_ALL=C xargs --verbose --max-args=1 msgfmt -c -v
msgfmt -c -v ./src/bin/psql/po/es.po
493 translated messages.
msgfmt -c -v ./src/bin/pg_controldata/po/es.po
41 translated messages.
msgfmt -c -v ./src/bin/scripts/po/es.po
122 translated messages.
msgfmt -c -v ./src/bin/initdb/po/es.po
96 translated messages.
msgfmt -c -v ./src/bin/pg_resetxlog/po/es.po
58 translated messages.
msgfmt -c -v ./src/bin/pg_ctl/po/es.po
92 translated messages.
msgfmt -c -v ./src/bin/pg_config/po/es.po
24 translated messages.
msgfmt -c -v ./src/bin/pg_dump/po/es.po
349 translated messages.
msgfmt -c -v ./src/interfaces/libpq/po/es.po
125 translated messages.
msgfmt -c -v ./src/backend/po/es.po
2143 translated messages.

Please apply.

--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
"God is real, unless declared as int"