rough ML incorporated (Phuong's summer 2012 modules), shape- and color-based encoding now (roughly) working, small-multiple-esque scatterplots based on certainty within grid, term highlighting based on attr weights.
TODO: embed doc details in view (glasspane!), enable doc selection based on interaction with histogram, set up histogram summary row in doc table, predictions&certs in doc table; think about overall predictor summary view