Modified http://mbostock.github.com/d3/d3.js to a secure url
Updated missing url https://raw.github.com/larskotthoff/d3/varline/src/svg/line-variable.js to https://cdn.jsdelivr.net/gh/larskotthoff/d3/varline/src/svg/line-variable.js
https://mbostock.github.com/d3/d3.js
https://raw.github.com/larskotthoff/d3/varline/src/svg/line-variable.js