message: fix typo shsape->shape
diff: @@ -58,7 +58,7 @@ module.exports = React.createClass({
  /* callback for when our widget has loaded */
  onWidgetLoad: React.PropTypes.func,
  - /* the shsape of the tile, used */
  + /* the shape of the tile, used */
  tileShape: React.PropTypes.string,
  },
  