public function showRoleMatrix()
	{
		if ( Shinobi::can( config('watchtower.acl.role.viewmatrix', false) ) ) {
			$roles = Role::all();
			$perms = Permission::all();
			$prs = DB::table('permission_role')->select('role_id as r_id','permission_id as p_id')->get();

			$pivot = [];
			foreach($prs as $p) {
				$pivot[] = $p->r_id.":".$p->p_id;
			}

			return view( config('watchtower.views.roles.rolematrix'), compact('roles','perms','pivot') );
		}

	 	return view( config('watchtower.views.layouts.unauthorized'), [ 'message' => 'view the role matrix' ]);
	}