Repo Manifests for rfoos projects.

Each project here, will have an associated repo manifest. Just an xml file
with remotes, project names, revisions (branches), and local paths.

OpenEmbedded Core
This is the new OE from Linux Foundation Poky project.

LLVM
This produces a CLANG compiler from the LLVM project.
http://clang.llvm.org/OpenProjects.html

Openbenchmarks Test Development
This brings together the Openbenchmarks components for builds.