Packaging fixes for Chef 11.16.x

/cc @lamont-granquist @adamedx 
@tyler-ball This was deemed to be the best cross-platform solution by the group, please see back scroll in #Incident for gory details. 

Also the root group maps to a UID of 0. For example on OS X:

```
cat /etc/group | grep wheel
wheel:*:0:root
```