http withCredentials

@Injectable()
export class AccountService {

  constructor(
    private http: Http) {
    // This allows the cookie to be set and sent.
    // It appears that once the cookie is set with login, it works for each call (even in other services)
     let _build = (<any>http)._backend._browserXHR.build;
     (<any>http)._backend._browserXHR.build = () => {
       let _xhr = _build();
       _xhr.withCredentials = true;
       return _xhr;
     };
  }
  
  // Other stuff
  
}