All provider specific settings have been moved to the
provider section. The image name itself is now located
at the top level and called "name". It is required for all providers.
* force kpartx to use synchronous mode, removing sleep(10)
* get image configuration, use it during tarball creation and registration
* add (non-working, path problems) image registration
* add cleaning of image from Google keys and repositories
* add NTP server address in manifest
* add preference for backport kernels in manifest
* disable IPv6
* correctly set host name