message: Null check node before we pass it to velocity
  As presumably sometimes the node wasn't actually in the DOM for
  whatever reason, so don't propagate exceptions out into the app.
  Should fix
diff: @@ -147,7 +147,7 @@ module.exports = React.createClass({
  // creating/destroying large numbers of elements"
  // (https://github.com/julianshapiro/velocity/issues/47)
  const domNode = ReactDom.findDOMNode(this.nodes[k]);
  - Velocity.Utilities.removeData(domNode);
  + if (domNode) Velocity.Utilities.removeData(domNode);
  }
  this.nodes[k] = node;
  },
  