add rbd/cephx support to libvirt
add systool to libvirt packages
add ceph to dependency
add secret.xml.erb for cephx libvirt secret
don't use install_method attribute. Just check for ceph.config.fsid and assume chef was used to install ceph, if it's found
move systool package to ubuntu section
sysfsutils is needed to attach an volume to an instance
Merge pull request #368 from mancdaz/rbd-havana

Merged automatically by jenkins after successful build test