changed vendored git name to wyn repo
changed vendored git name to wyn repo

drinks/heroku-buildpack-python-base,wyn/heroku-buildpack-python,drinks/heroku-buildpack-python-base,drinks/heroku-buildpack-python-base,wyn/heroku-buildpack-python,drinks/heroku-buildpack-python-base,wyn/heroku-buildpack-python