update README to describe how to configure the app to listen on multiple ports
update README to describe how to configure the app to listen on multiple ports
pivotal-cf-experimental/lattice-app,DieterVennekens/test-app,pivotal-cf-experimental/lattice-app,cloudfoundry-samples/test-app,gstackio/sample-app,gstackio/sample-app,cloudfoundry-samples/lattice-app,cloudfoundry-samples/lattice-app,DieterVennekens/test-app,cloudfoundry-samples/test-app