Route: Group together printer families.

* Only check th family of the first incoming
  route entry as the list_routes function is
  called with the family pre-determined on
  the socket.
Route: Redesign command output

* Route flags now single characters to save
  space.
* Align addresses to columns based on maximum
  size of family address. We can easily pre-loop
  over routes at a future date and choose
  the smallest address width if needed.
* Moved interface device to last column as width
  can vary a lot.