Zuul no longer requires the project-name for in-repo configuration. Omitting it makes forking or renaming projects easier. Change-Id: Iacba417e380c53f7793cd2e61a892b6139af85ac
.zuul.yaml became long and hard to maintain, let's break it up by distro Change-Id: Ic137927e61b8fc8c89d5b0bcb2557ab8d5528100