message: adding refresh token feature p2
diff: @@ -416,9 +416,9 @@ export class AuthService {
  return;
  }
  - let expiresAt = JSON.parse(window.localStorage.getItem('expires_at'));
  + const expiresAt$ = JSON.parse(window.localStorage.getItem('expires_at'));
  - const source = Observable.of(expiresAt).flatMap(
  + const source = Observable.of(expiresAt$).flatMap(
  expiresAt => {
  const now = Date.now();
  const refreshAt = expiresAt - (1000 * 30);
  