install-chef-suse: the quantum barclamp was renamed to neutron in roxy
Merge pull request #1925 from rhafer/fix/suse-neutron

install-chef-suse: the quantum barclamp was renamed to neutron in roxy
Add ceph barclamp to development/master for now
Extract git_cat_file into its own slightly easier to use function.
Make sure we use a v6prefix.
Flatten