Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js
https://cdnjs.cloudflare.com/ajax/libs/codemirror/4.6.0/codemirror.min.js
https://wafi.iit.cnr.it/webvis/tmp/codemirror_mode_simple.js
https://cdnjs.cloudflare.com/ajax/libs/codemirror/4.6.0/addon/search/searchcursor.min.js
https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.3/highlight.min.js