strangerze
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forked from strangerze's block: Iris Data
Modified http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js to a secure url
https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js
https://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js