The WebQuiz executable is webquiz.py. On unix-like systems it is enough to
create a soft link to this file using something like:
    ln -s $(pwd)/webquiz.py /usr/local/bin/webquiz

The batch file webquiz.bat comes from
    https://tex.stackexchange.com/questions/40937/how-to-publish-a-package-that-includes-scripts-and-or-executables/40971

The files in this directory are:
    - webquiz.py*          = processes command-line options and settings
    - webquiz_layout.py    = determines the final layout of the web pages
    - webquiz_makequiz.py  = converts the XML into HTML
    - webquiz_templates.py = template strings for HTML and
    - webquiz_util.py      = utility functions
    - webquiz_xml.py       = read and interpret the webquiz XML file
    - CHANGES.rst          = list of changes to program
    - LICENCE              = copy of the GPL licence
