Mapping: Allow to have for a field to not be stored and not indexed, but still be included in `all`, closes #90.

modules/elasticsearch/src/main/java/org/elasticsearch/index/mapper/json/JsonBooleanFieldMapper.java

@@ -119,6 +119,9 @@ public class JsonBooleanFieldMapper extends JsonFieldMapper<Boolean> {
     }
 
     @Override protected Field parseCreateField(JsonParseContext jsonContext) throws IOException {
+        if (!indexed() && !stored()) {
+            return null;
+        }
         JsonToken token = jsonContext.jp().getCurrentToken();
         String value = null;
         if (token == JsonToken.VALUE_FALSE) {

modules/elasticsearch/src/main/java/org/elasticsearch/index/mapper/json/JsonFieldMapper.java

@@ -267,9 +267,6 @@ public abstract class JsonFieldMapper<T> implements FieldMapper<T>, JsonMapper {
     }
 
     @Override public void parse(JsonParseContext jsonContext) throws IOException {
-        if (!indexed() && !stored()) {
-            return;
-        }
         Field field = parseCreateField(jsonContext);
         if (field == null) {
             return;

modules/elasticsearch/src/main/java/org/elasticsearch/index/mapper/json/JsonStringFieldMapper.java

@@ -109,6 +109,9 @@ public class JsonStringFieldMapper extends JsonFieldMapper<String> implements Js
         if (includeInAll == null || includeInAll) {
             jsonContext.allEntries().addText(names.fullName(), value, boost);
         }
+        if (!indexed() && !stored()) {
+            return null;
+        }
         return new Field(names.indexName(), value, store, index, termVector);
     }