message: Added tracking authType in telemetry
diff: @@ -34,6 +34,12 @@ class LoginCommand extends Command {
  return 'Log in to Office 365';
  }
  + public getTelemetryProperties(args: CommandArgs): any {
  + const telemetryProps: any = super.getTelemetryProperties(args);
  + telemetryProps.authType = args.options.authType || 'deviceCode';
  + return telemetryProps;
  + }
  +
  public commandAction(cmd: CommandInstance, args: CommandArgs, cb: (err?: any) => void): void {
  const chalk: any = vorpal.chalk;
  