Change app's name
New script to define env vars
Change app's name
Remove useless script

Previously this script allowed to define some env var
needed by the application.
BUT the tool foreman allow to define env var declared
in a .env file. No need to define it manually.
Change app's name
Take advantage of foreman

Forman detect all .env file in the root directory
to set the env var defined inside as env var in the
application.
Damn you!

Forget to add gunicorn dependency for heroku.
Note: Gunicorn is a simple HTTP server for
WSGI applications.
squash! Take advantage of foreman

titi