RFC: ssh-copy-id tweaks

[Alan Barrett]

On Fri, 01 Feb 2008, Nick Dokos wrote:
> I don't believe that `sort -u' is a portability problem

Whether or not it's a portability problem (I think it's not), it's a
huge usability problem.  Sorting my authorized_keys file will do very
bad things to the comment block at the top fo the file, as well as the
other comments intermingled with the keys.

--apb (Alan Barrett)