update readme
update readme

pivotal-cf-experimental/lattice-app,aripka-pivotal/lattice-app,hpcloud/lattice-app,gstackio/sample-app,cloudfoundry-samples/lattice-app,cloudfoundry-samples/test-app,pivotal-cf-experimental/lattice-app,davidwadden/lattice-app,DieterVennekens/test-app,davidwadden/lattice-app,cloudfoundry-samples/lattice-app,hpcloud/lattice-app,aripka-pivotal/lattice-app,DieterVennekens/test-app,cloudfoundry-samples/test-app,gstackio/sample-app