Move the ensure_nbd function call from the disk-image-create to the disk-image-get-kernel. The image creation process does not use qemu-nbd anymore. Change-Id: I8ff2ad54f322a9e33d52408fa4e253a7b45900c7
- add bin/disk-image-get-kernel to extract vmlinuz/initrd from .qcow2 - add corresponding methods to lib/common-functions - map_nbd - (un)mount_qcow_image