/**
  * Returns the Tickets for a given Backlog id
  *
  * @param $id
  * @return View
  */
 public function tickets_by_backlog($id)
 {
     $tickets = $this->ticket->whereBacklogId($id)->orderBy('id', 'asc')->paginate(10);
     $header = 'Tickets for Backlog ' . Backlog::findOrFail($id)->name;
     return view('tickets.index', compact('tickets', 'header'));
 }