forked from aaizemberg's block: crossfilter y DC (kevinkraus92)
forked from wqm9425's block: crossfilter y DC (kevinkraus92)
forked from wqm9425's block: crossfilter y DC (kevinkraus92)
https://d3js.org/d3.v3.min.js
https://cdnjs.cloudflare.com/ajax/libs/crossfilter/1.3.12/crossfilter.js
https://cdnjs.cloudflare.com/ajax/libs/dc/2.0.1/dc.js