/**
  * Delete a user
  * 
  * @return json
  */
 public function delete()
 {
     $id = Input::all()[0];
     if ($this->users->count() == 1) {
         return $this->jsonResponse(400, false, 'You are the only user left in the application and cannot delete youself.');
     } else {
         if (Auth::user()->id == $id) {
             return $this->jsonResponse(400, false, 'You are unable to delete yourself from the application.');
         } else {
             $this->users->delete($id);
             return $this->jsonResponse(200, true, 'User has been successfully been deleted!');
         }
     }
 }