quick start
bundle install
export ALFRED_API_URL=http://127.0.0.1:5000/api
export ALFRED_API_KEY=my_secret_key
export DROPBOX_APP_KEY=
export DROPBOX_APP_SECRET=
export DROPBOX_REQUEST_TOKEN_KEY=
export DROPBOX_REQUEST_TOKEN_SECRET=
export DROPBOX_AUTH_TOKEN_KEY=
export DROPBOX_AUTH_TOKEN_SECRET=
cd lib
ruby corrector_app.rb