Better 'all' plots for scores containing NaNs

Visualisation/plotScores.m

@@ -295,6 +295,7 @@ for n = 1:numel(methods)
     for r = 1:size(results{n},3);
         
         data = results{n}(:,:,r);
+        data = data(~isnan(data));
         % Don't plot too much!
         if numel(data) > 500
             data = randsample(data(:), 500);