shuffle button


  organizer.initShuffleButton = function() {
    $('#shuffleCards').click(function() {
      // reset panning
      $('#universe').css('top', 0).css('left', 0).css('bottom', 0).css('right', 0);
  
      var maxWidth = Math.round($('#container').width()*0.3) ;
      var maxHeight = Math.round($('#container').height()*0.3);