kallithea-cli: remind users to generate the front-end Being in the habit of just generating a config file and possibly a database, users may forget to generate the front-end and get a crippled Kallithea experience at first set-up. Try to avoid this by reminding users explicitly about front-end-build in these two steps of the set-up process.

# 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
.