[Translators] Updated Spanish (es) translation

[pico.dev at gmail.com]

Hi,

I've updated the spanish (es) translation. Please commit.

http://docs.google.com/uc?id=0B4yquUFv3csrZGExYTY2ZGMtZTk2Zi00ZDk2LTkyOGEtNjE2NzU0Y2I5Zjkx&export=download&hl=es

Thanks,
pico.dev