Copyright for shhopt source package in Xenial

The source was downloaded from http://shh.thathost.com/pub-unix/

Copyright:

The program is written by

        Sverre H. Huseby        shh@thathost.com
        Lofthusvn. 11 B         http://shh.thathost.com/
        N-0587 Oslo
        Norway

It is placed under the artistic license, which can be found in
/usr/share/common-licenses/Artistic.