How to use d3-tip with d3's simple bar chart example.
forked from Caged's block: Using d3-tip to add tooltips to a d3 bar chart
forked from wcjohnson11's block: Using d3-tip to add tooltips to a d3 bar chart
forked from aax951's block: Using d3-tip to add tool
forked from aax951's block: Using d3-tip to add tool
Modified http://d3js.org/d3.v3.min.js to a secure url
Modified http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js to a secure url
https://d3js.org/d3.v3.min.js
https://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js