Matches code in http://bus.eu-gb.mybluemix.net
This app uses dotenv, so you need to create a .env file in the root of the project with the following environment variables set:
TRANSPORT_API_APP_ID=
TRANSPORT_API_APP_KEY=
WATSON_VISUAL_RECOGNITION_USERNAME=
WATSON_VISUAL_RECOGNITION_PASSWORD=
WATSON_ALCHEMY_KEY=