added 1.4 api, updated 1.3 api

docs/_examples/scroll.asciidoc

@@ -12,7 +12,7 @@ client.search({
   q: 'title:test'
 }, function getMoreUntilDone(error, response) {
   // collect the title from each response
-  response.hits.hists.forEach(function (hit) {
+  response.hits.hits.forEach(function (hit) {
     allTitles.push(hit.fields.title);
   });