/**
  * Remove the specified resource from storage.
  *
  * @param int $id
  *
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $this->customer->deleteById($id);
     \Session::flash('flash_message', 'De klant is verwijderd uit de database!');
     return redirect('customer');
 }