message: fix HistoryComponent loop
diff: @@ -10,8 +10,7 @@ export class JhiHistoryComponent implements OnInit {
  items: any;
  data: any;
  - constructor(private historyService: JhiHistoryService) {
  - }
  + constructor(private historyService: JhiHistoryService) {}
  ngOnInit() {
  this.refresh();
  @@ -22,14 +21,13 @@ export class JhiHistoryComponent implements OnInit {
  this.data = data;
  this.activate('registered');
  });
  -
  }
  activate(key: string) {
  this.items = [];
  let obj = this.data ? this.data[key] : null;
  if (obj) {
  - for (let k of obj) {
  + for (let k of Object.keys(obj)) {
  this.items.push({key: k, value: obj[k]});
  }
  }
  