Migrate d3js to v4 and correct d3js visualisations i.e. bug 3.20. Breadcrumb navigation for the language treemap has been improved
fixtures:
repositories:
"concat": "git://github.com/puppetlabs/puppetlabs-concat.git"
"stdlib": "git://github.com/puppetlabs/puppetlabs-stdlib.git"
symlinks:
"puppi": "#{source_dir}"