This site is built using Jekyll and hosted on GitHub Pages.
To install:
gem install bundler jekyll
To run it locally:
bundle install
bundle exec jekyll serve --safe
The URLs will map the folder tree (they are not configured with a .yml file).
Install Translate Toolkit
Extract translations from HTML files.
html2po --duplicates=merge _site/en/ _translations/en/
Create English message catalog (also see msgen).
podebug --rewrite=en _translations/en/ _translations/en/
Use msgcat to create one PO file.
msgcat _translations/en/*/*.po > _translations/en.po