- Rework to provide a python API for use by other tools (thanks to markmc
        for a lot of the legwork here)
    - Fix creation of images with ext2 filesystems and no SELinux
    - Don't require a yum-cache directory inside of the cachedir (#430066)
    - Many config updates for rawhide
    - Allow running live images from MMC/SD (#430444)
    - Don't let a non-standard TMPDIR break things (Jim Meyering)