An example model-driven scatter plot using model.js. Draws from the D3 scatter plot example.
Curran Kelleher 4/17/2014
Updated DOM creation pattern and posted to bl.ocks.org 9/10/2015.
Modified http://curran.github.io/model/cdn/model-v0.2.4.js to a secure url
https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js
https://curran.github.io/model/cdn/model-v0.2.4.js