programming languages in use

GitHub has data about programming languages used in all its repositories. Given a .tsv of orgs, repos and languages in use, would it be interesting to add some kind of visualization like a [bubble chart](https://bl.ocks.org/mbostock/4063269)? If the .tsv file has (language, number-of-characters) tuples, this should be possible. If we want to break it down by organization, something like [this](http://mbostock.github.io/d3/talk/20111116/pack-hierarchy.html) might be interesting too.

No file, test, or entry point is named. Start by locating how the TSV of organizations, repositories, and language data is loaded and reviewing the linked D3 bubble-chart examples; confirm the desired visualization and organization breakdown before implementing it.

Written by the indexing model from the issue text.