message: Typo fix for zender.js
  change 'handerProxy' to 'handlerProxy' for unified reason.
diff: @@ -130,8 +130,8 @@ var ZRender = function (id, dom, opts) {
  this.storage = storage;
  this.painter = painter;
  - var handerProxy = (!env.node && !env.worker) ? new HandlerProxy(painter.getViewportRoot(), painter.root) : null;
  - this.handler = new Handler(storage, painter, handerProxy, painter.root);
  + var handlerProxy = (!env.node && !env.worker) ? new HandlerProxy(painter.getViewportRoot(), painter.root) : null;
  + this.handler = new Handler(storage, painter, handlerProxy, painter.root);
  /**
  * @type {module:zrender/animation/Animation}
  