Removed all references to `setup.py test` fixes #500#544

ChadBailey wants to merge 4 commits intoaudreyfeldroy:mainaudreyfeldroy/cookiecutter-pypackage:mainfrom

ChadBailey:bugfix/500-setuppy-test-removalChadBailey/cookiecutter-pypackage:bugfix/500-setuppy-test-removalCopy head branch name to clipboard