forked from pnavarrc's block: Mapping with canvas
forked from anonymous's block: Mapping with canvas
forked from AlexanderDavidson's block: Mapping with canvas v3 -> v4
Modified http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js to a secure url
https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js
https://cdnjs.cloudflare.com/ajax/libs/d3/4.8.0/d3.min.js
https://aframe.io/releases/0.5.0/aframe.min.js
https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js