message: Add comment to explain "fullWidth" component porperty.
diff: @@ -40,6 +40,8 @@ export default React.createClass({
  name: React.PropTypes.string.isRequired,
  room: React.PropTypes.object.isRequired,
  type: React.PropTypes.string.isRequired,
  + // Specifying 'fullWidth' as true will render the app tile to fill the width of the app drawer continer.
  + // This should be set to true when there is only one widget in the app drawer, otherwise it should be false.
  fullWidth: React.PropTypes.bool,
  },
  