front-end: use 'bin' path for node commands instead of '.bin' license-checker is using relative paths for importing other modules - that worked fine when .bin/license-checker was a symlink, but not on filesystems without symlinks support: internal/modules/cjs/loader.js:883 throw err; ^ Error: Cannot find module '../lib/index'

# requirements.txt file for use as "pip install -r requirements.txt" as a
# readthedocs compatible alternative to "pip install -e ." which is a working
# alternative to "setup.py develop" which doesn't work with Mercurial 3.7
.