Modified http://d3js.org/d3.v3.min.js to a secure url
Modified http://cdnjs.cloudflare.com/ajax/libs/d3-tip/0.6.3/d3-tip.min.js to a secure url
https://d3js.org/d3.v3.min.js
https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.min.js
https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js
https://cdnjs.cloudflare.com/ajax/libs/d3-tip/0.6.3/d3-tip.min.js