Fix the permission issue on different distro
* In CentOS, add the qemu to nova group in CentOS
* In Ubuntu, add the nova to libvirtd group
Co-Authored-By: Steven Dake <stdake@cisco.com>
Change-Id: I1f4f9ce29abf0d788965fe94d8918b10a7169a75
Closes-Bug: #1568012