Adds a first pass at the faux-stacked-bar.js file, which would create a ...

...stacked bar graph were every data point is represented by a rect, creating the illusion of a true stacked bar graph.

This is not actually a real pull request, I just wanted a place where we could comment on things.
you are missing a util.inherits(DAB.graphs.FauxStackedBar, DAB.Graph);