Modified http://d3js.org/d3.v3.min.js to a secure url
Updated missing url https://rawgit.com/masayuki0812/c3/master/c3.js to https://cdn.jsdelivr.net/gh/masayuki0812/c3/c3.js
https://d3js.org/d3.v3.min.js
https://rawgit.com/masayuki0812/c3/master/c3.js