forked from treboresque's block: Circles Chartlet
Modified http://d3js.org/d3.v3.min.js to a secure url
Updated missing url https://rawgit.com/twitter/d3kit/v0.1.0/dist/d3kit.min.js to https://cdn.jsdelivr.net/gh/twitter/d3kit/v0.1.0/dist/d3kit.min.js
https://d3js.org/d3.v3.min.js
https://rawgit.com/twitter/d3kit/v0.1.0/dist/d3kit.min.js