update url for cookiecutter-flask-skeleton (#1318)
update url for cookiecutter-flask-skeleton (#1318)


luzfcb/cookiecutter,audreyr/cookiecutter,michaeljoseph/cookiecutter,audreyr/cookiecutter,michaeljoseph/cookiecutter,pjbull/cookiecutter,luzfcb/cookiecutter,pjbull/cookiecutter