Move libvirt-host and libvirt-vm to Ansible Galaxy roles

ansible/roles/libvirt-host/README.md

ansible/roles/libvirt-host/defaults/main.yml

ansible/roles/libvirt-host/meta/main.yml

ansible/roles/libvirt-host/tasks/install.yml

ansible/roles/libvirt-host/tasks/main.yml

ansible/roles/libvirt-host/tasks/networks.yml

ansible/roles/libvirt-host/tasks/pools.yml

ansible/roles/libvirt-host/tasks/validate.yml

ansible/roles/libvirt-host/templates/network.xml.j2

ansible/roles/libvirt-host/templates/pool.xml.j2

ansible/roles/libvirt-vm/defaults/main.yml

ansible/roles/libvirt-vm/files/destroy_virt_volume.sh

ansible/roles/libvirt-vm/files/virt_volume.sh

ansible/roles/libvirt-vm/tasks/destroy-vm.yml

ansible/roles/libvirt-vm/tasks/destroy-volumes.yml

ansible/roles/libvirt-vm/tasks/main.yml

ansible/roles/libvirt-vm/tasks/vm.yml

ansible/roles/libvirt-vm/tasks/volumes.yml

ansible/roles/libvirt-vm/templates/vm.xml.j2

ansible/seed-hypervisor-libvirt-host.yml