public function destroy($id)
 {
     if (Auth::user()->can('delete-permissions')) {
         $permission = Permission::findOrFail($id);
         Permission::destroy($id);
         Session::flash('message', trans('auth::ui.permission.message_delete', array('name' => $permission->name)));
         return redirect('auth/permission');
     }
     return redirect('auth/logout');
 }
 public function edit($id)
 {
     if (Auth::user()->can('update-roles')) {
         $role = Role::findOrFail($id);
         $role_permission = Role::find($id)->permissions()->lists('permission_id')->toArray();
         $permissions = Permission::lists('display_name', 'id');
         return view('auth::role.edit', compact('role', 'permissions', 'role_permission'));
     }
     return redirect('auth/logout');
 }