bin/setup: The `cert' directory doesn't need to be group-writable.
[distorted-letsencrypt] / bin /
drwxr-xr-x   ..
-rwxr-xr-x 177 le
-rwxr-xr-x 519 make-cert
-rwxr-xr-x 487 setup
-rwxr-xr-x 21 sudo