add 1_clean_document.json and xmla_settings_schema.json in demo

demo/docs.json

 [
-"docs/demo.json"
+"docs/1_clean_document.json",
+"docs/demo.json",
+"docs/xmla_settings_schema.json"
 ]

demo/docs/1_clean_document.json

+{}
\ No newline at end of file

demo/docs/xmla_settings_schema.json

+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "title": "Settings for XMLA connection",
+  "properties": {
+    "url": {
+      "uniqueItems": true,
+      "items": {
+        "format": "uri",
+        "minLength": 1,
+        "type": "string"
+      },
+      "minItems": 1,
+      "type": "array"
+    },
+    "username": {
+      "type": "string"
+    },
+    "password": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "url"
+  ],
+  "additionalProperties": false
+}
\ No newline at end of file

demo/gadget_demo_json_schema_form.js

@@ -50,11 +50,6 @@
   rJS(window)
     .ready(function (g) {
       g.props = {};
-      g.props.schemas = [
-        "http://json-schema.org/draft-07/schema",
-        "http://json-schema.org/draft-06/schema",
-        "http://json-schema.org/draft-04/schema"
-      ];
       return RSVP.Queue()
         .push(function () {
           return RSVP.all([
@@ -63,9 +58,20 @@
           ]);
         })
         .push(function (arr) {
-          g.props.schemas = g.props.schemas.concat(arr[0]);
+          var schemas = arr[0],
+            docs = arr[1];
+          g.props.schemas = docs.filter(function (v) {
+              var suffix = "_schema.json";
+              return v.indexOf(suffix, v.length - suffix.length) !== -1;
+            });
+          g.props.schemas = g.props.schemas.concat([
+            "http://json-schema.org/draft-07/schema",
+            "http://json-schema.org/draft-06/schema",
+            "http://json-schema.org/draft-04/schema"
+          ]);
+          g.props.schemas = g.props.schemas.concat(schemas);
           g.props.schemas = ["form generated by schema"].concat(g.props.schemas);
-          g.props.documents = arr[1].concat(arr[0]);
+          g.props.documents = docs.concat(schemas);
           g.props.documents = ["open document"].concat(g.props.documents);
         })
         .push(function () {