More reliable strategy for getting deepmost component + addition of refresh() method + example & documentation on asynchronous updates

src/client/refresh.js

@@ -0,0 +1,18 @@
+import getMetaInfo from '../shared/getMetaInfo'
+import updateClientMetaInfo from './updateClientMetaInfo'
+
+/**
+ * When called, will update the current meta info with new meta info.
+ * Useful when updating meta info as the result of an asynchronous
+ * action that resolves after the initial render takes place.
+ *
+ * Credit to [Sébastien Chopin](https://github.com/Atinux) for the suggestion
+ * to implement this method.
+ *
+ * @return {Object} - new meta info
+ */
+export default function refresh () {
+  const info = getMetaInfo(this.$root)
+  updateClientMetaInfo(info)
+  return info
+}