Update used software versions to the latest at the moment, including
the OS used in images. Fix config files to match options to the new
versions of software. Fix a corruption on systems where /bin is a symlink.
cri-containerd project is moving as a sub-project of containerd itself;
the GitHub migration is complete. Also, as of 9 Jan, the beta.1 release
of cri-containerd is available so the download link is updated.
Signed-off-by: Phil Estes <estesp@gmail.com>