b7433917a4
* Use Ubuntu 14.04.3 ISO instead ovf box * Add a libvirt target as well * Add additional build shell scripts from bogdando/packer-atlas-example * Use sudo for all shell commands * Fix virtualbox guest additions build order * Cleanups to reduce end image size * Update README how to build and up both for vbox/libvirt Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>