Update script query doc for 5.1

From 5.1, we changed the order of Script class ctor.

Related to https://github.com/elastic/elasticsearch/pull/21321#issuecomment-266432519

docs/java-api/query-dsl/script-query.asciidoc

@@ -25,13 +25,13 @@ You can use it then with:
 --------------------------------------------------
 QueryBuilder qb = scriptQuery(
     new Script(
-        "myscript",                            <1>
-        ScriptType.FILE,                       <2>
-        "painless",                            <3>
+        ScriptType.FILE,                       <1>
+        "painless",                            <2>
+        "myscript",                            <3>
         Collections.singletonMap("param1", 5)) <4>
 );
 --------------------------------------------------
-<1> Script name
-<2> Script type: either `ScriptType.FILE`, `ScriptType.INLINE` or `ScriptType.INDEXED`
-<3> Scripting engine
+<1> Script type: either `ScriptType.FILE`, `ScriptType.INLINE` or `ScriptType.INDEXED`
+<2> Scripting engine
+<3> Script name
 <4> Parameters as a `Map` of `<String, Object>`