Don't use path

src/freedombone

   echo '    exit 0' >> /usr/bin/publish-to-avahi
   echo 'fi' >> /usr/bin/publish-to-avahi
   echo '' >> /usr/bin/publish-to-avahi
-  echo -n 'TOX_ID=$(/usr/bin/toxid -u ' >> /usr/bin/publish-to-avahi
+  echo -n 'TOX_ID=$(toxid -u ' >> /usr/bin/publish-to-avahi
   echo "$MY_USERNAME)" >> /usr/bin/publish-to-avahi
   echo '' >> /usr/bin/publish-to-avahi