webapp should use results of adjective grounding already performed

[kwalcock]

Recent versions of Eidos have included the adjective grounding independent of the serialization. By the time that almost anything gets its hands on an EidosMention, it should already be grounded. It looks like the webapp is doing this on its own and that I have neglected to update it as Eidos changed. If this is accurate, I will fix at the next opportunity.