add Procfile
add gunicorn to requirements
fix Procfile
add app.json
add README section
fix whitespace
shorter name
generate the redirect url
make it cleaner
add sslify
update README
note that both OAuth scopes are required
organize imports
add docstring for helper method
better string format
Merge branch 'master' of github.com:uber/Python-Sample-Application into add-heroku-button

Conflicts:
	README.md
change scope wording
reorganize imports
Merge pull request #4 from friism/add-heroku-button

Add heroku button.