Initial commit
populate repo
add R parallel
Add '_R-parallel/' from commit '3c921ee20c9db6c75e4b086bbf65a37edce7c638'

git-subtree-dir: _R-parallel
git-subtree-mainline: 7e4b759ccd7d93f33e57c945c7f61a7218cc0ccd
git-subtree-split: 3c921ee20c9db6c75e4b086bbf65a37edce7c638