- Bump version to 27.0 (bcl@redhat.com)
    - Try all packages when installpkg --optional is used. (bcl@redhat.com)
    - Add support for aarch64 live images (bcl@redhat.com)
    - pylint: Ignore different argument lengths for dnf callback. (bcl@redhat.com)
    - Adds additional callbacks keyword for start() (jmracek@redhat.com)
    - Add ppc64-diag for Power64 platforms (pbrobinson@gmail.com)
    - livemedia-creator: Add release license files to / of the iso (bcl@redhat.com)
    - lorax: Add release license files to / of the iso (bcl@redhat.com)
    - INSTALL_ROOT and LIVE_ROOT are not available during %post (bcl@redhat.com)
    - Add --noverifyssl to lorax (#1430483) (bcl@redhat.com)