Show all the work using full tableaux

Click on a green pivot to make progress on this maximization problem. Click on the edit button to change the numbers. This version will (someday) show all work in a format suitable for pen and paper. It is not done yet, but maybe it is helpful.

Problem selector

XXX: No arrows, no row op scratch work, no resize, no label edit, edit is not multi-table aware, ragged right on safari, edit jitter on firefox