Gather stats from Git repository and visualize using d3js

Render from https://github.com/sdkman/sdkman-cli

Usage

ruby gitown.rb config.json
open index.html

TODO

[ ]. add threshold line http://bl.ocks.org/mikehadlow/93b471e569e31af07cd3
[ ]. publish ruby gem http://guides.rubygems.org/publishing/
[ ]. normalize email, at least to lower case
[ ]. total time
[ ]. highlight inactive users
[ ]. stratigraphy by folders
[ ]. reorder items according to first appearance in the code