Updated missing url https://cdn.rawgit.com/martine/webtreemap/a2fa353833eca1a4821ba4c93fb6a7d546aed02a/webtreemap.js to https://cdn.jsdelivr.net/gh/martine/webtreemap/a2fa353833eca1a4821ba4c93fb6a7d546aed02a/webtreemap.js
https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.7.0/underscore-min.js
https://cdn.rawgit.com/martine/webtreemap/a2fa353833eca1a4821ba4c93fb6a7d546aed02a/webtreemap.js