move from virtio-blk to virtio-scsi

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
jq

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
update centos 6, deprecate centos 5

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
add cloud-init

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
fix debian for virtio-scsi

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>