adds html coverage report
I guess it should be ``django-setuptest`` instead of ``django-setuptools`` (which doesn't exists)
python <2.7 does not have argparse in stdlib
Merge branch 'feature/argparse-dep' of github.com:stefanfoulis/django-setuptest into develop
Merge branch 'master' of github.com:yakky/django-setuptest into develop
Merge branch 'feature/coverage-html-report' of github.com:stefanfoulis/django-setuptest into develop