0.99.66 BoxPlot, impr to Scatter; Reductio(!NaN).

Emphasized Total Reset, added CF(size,N,bitMask,maxN), to be made
optional/diag later. Perhaps percent full.
Remove empty slide filters.
Adjustments to Scatterplot, inc elastic default and remove NaN's, and
scatterDomains partitioned to Initial and 'Updating'; needed to adjust
axis labels.