fix #1589 add query.additional.scroll.response.fields

src/main/java/org/codelibs/fess/api/json/JsonApiManager.java

...ain/java/org/codelibs/fess/app/service/SearchService.java

src/main/java/org/codelibs/fess/helper/QueryHelper.java

.../java/org/codelibs/fess/mylasta/direction/FessConfig.java

...in/java/org/codelibs/fess/mylasta/direction/FessProp.java

src/main/resources/fess_config.properties