As per #434 when /bin/ is a symlink to another path (e.g. /usr/bin/) using `tar -C /` will overwrite the symlink and tank the whole system.
Un-tar containerd binaries into the user's home folder and then `sudo mv` them into the correct location
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>