plato's "on justice" and "demodocus"

Just a quick update to say that the Plato section of the site has been updated, and now contains two texts that were previously unavailable, "on justice" and "demodocus".

These and the other new texts added to the site over the last two days have not yet been proofread, but this will be done over the next few days, so if you notice any errors I'd be grateful if you could post a comment here or send an e-mail.