message: fix: muc configuration dialog
  translate button labels
diff: @@ -4,6 +4,7 @@ import Client from '../../Client'
  import Form from '../../connection/Form'
  import Log from '../../util/Log'
  import { IConnection } from '@connection/Connection.interface';
  +import Translation from '@util/Translation';
  let dialog: Dialog;
  @@ -27,13 +28,13 @@ export default function(contact: MultiUserContact) {
  function showForm(form: Form, contact: MultiUserContact, connection: IConnection) {
  let formElement = form.toHTML();
  - //@TODO translate, maybe move to hbs
  - let submitButton = $('<div class="form-group">\
  - <div class="col-sm-offset-4 col-sm-8">\
  - <button class="jsxc-button jsxc-button---default jsxc-js-close" type="button">{{t "Cancel"}}</button>\
  - <button class="jsxc-button jsxc-button---primary" type="submit">{{t "Submit"}}</button>\
  - </div>\
  - </div>');
  +
  + let submitButton = $(`<div class="form-group">
  + <div class="col-sm-offset-4 col-sm-8">
  + <button class="jsxc-button jsxc-button--default jsxc-js-close" type="button">${Translation.t('Cancel')}</button>
  + <button class="jsxc-button jsxc-button--primary" type="submit">${Translation.t('Save')}</button>
  + </div>
  + </div>`);
  formElement.append(submitButton);
  