message: Add logoUrl param to loginForm funtion
diff: import { render } from '../../templates';
  type KeyValue = { [key: string]: string };
  -export function loginForm(msg: string, error: string, hiddenFields: KeyValue, registrationEnabled: boolean): string {
  +export function loginForm(msg: string, error: string, hiddenFields: KeyValue, registrationEnabled: boolean, logoUrl:string | null): string {
  return render('login', {
  title: 'Login',
  msg: msg,
  @@ -9,6 +9,7 @@ export function loginForm(msg: string, error: string, hiddenFields: KeyValue, re
  hiddenFields: hiddenFields,
  action: '/login',
  registrationEnabled,
  + logoUrl
  });
  }
  