Move files into a new directory preserving history

move-with-history

-- create a new empy repo, add the origin of the repo we want to move files, create new branch and fetch
mkdir new-repo
cd new-repo
git init
git remote add origin git@github.com:javierexposito/origin-repo.git
git commit --allow-empty "Initial commit"
git checkout moving-files
git fetch origin
git subtree add --prefix=new-folder f54a8b6d7 (last commit from repo)
git push origin
hub pull-request