Changed documentation to use getter notation

Updated some java documentation to reflect the use of getters instead of calling methods based on field names.

Relates to elastic#2657

Author: spinscale

docs/java-api/search.asciidoc

@@ -67,7 +67,7 @@ while (true) {
         //Handle the hit...
     }
     //Break condition: No hits are returned
-    if (scrollResp.hits().hits().length == 0) {
+    if (scrollResp.getHits().getHits().length == 0) {
         break;
     }
 }
@@ -111,9 +111,9 @@ MultiSearchResponse sr = node.client().prepareMultiSearch()
 
 // You will get all individual responses from MultiSearchResponse#responses()
 long nbHits = 0;
-for (MultiSearchResponse.Item item : sr.responses()) {
-    SearchResponse response = item.response();
-    nbHits += response.hits().totalHits();
+for (MultiSearchResponse.Item item : sr.getResponses()) {
+    SearchResponse response = item.getResponse();
+    nbHits += response.getHits().getTotalHits();
 }
 --------------------------------------------------
 
@@ -132,8 +132,8 @@ SearchResponse sr = node.client().prepareSearch()
     .execute().actionGet();
 
 // Get your facet results
-TermsFacet f1 = (TermsFacet) sr.facets().facetsAsMap().get("f1");
-DateHistogramFacet f2 = (DateHistogramFacet) sr.facets().facetsAsMap().get("f2");
+TermsFacet f1 = (TermsFacet) sr.getFacets().facetsAsMap().get("f1");
+DateHistogramFacet f2 = (DateHistogramFacet) sr.getFacets().facetsAsMap().get("f2");
 --------------------------------------------------
 
 See <<java-facets,Facets Java API>>