message: fix(live-chart): use Angular DI to inject DatePipe.
diff: @@ -18,16 +18,16 @@ export function getRandomInt(min: number, max: number): number {
  template: `
  <h4>Live Updating</h4>
  <x-chartist [data]="data" [type]="type"> </x-chartist>
  - `
  + `,
  + providers: [DatePipe]
  })
  export class LiveChartComponent implements OnDestroy {
  public data: LiveData;
  public type: ChartType;
  private timerSubscription: Subscription;
  - private datePipe = new DatePipe('en');
  - constructor() {
  + constructor(private datePipe: DatePipe) {
  this.data = {
  labels: [],
  series: [[]]
  