Updated README to reflect v2 branch details.
Updated README to reflect v2 branch details.

kwk/docker-registry-frontend,xgin/docker-registry-frontend,Filirom1/docker-registry-frontend,xgin/docker-registry-frontend,FrontSide/docker-registry-frontend,xgin/docker-registry-frontend,Filirom1/docker-registry-frontend,kwk/docker-registry-frontend,FrontSide/docker-registry-frontend,FrontSide/docker-registry-frontend,kwk/docker-registry-frontend,Filirom1/docker-registry-frontend