message: Fix import in MomentLocalizationExample
diff: import React from 'react';
  import moment from 'moment';
  -import MomentUtils from 'material-ui-pickers/utils/date-fns-utils';
  +import MomentUtils from 'material-ui-pickers/utils/moment-utils';
  import MuiPickersUtilsProvider from 'material-ui-pickers/utils/MuiPickersUtilsProvider';
  moment.locale('fr');
  