allow x-id to be an array or just a single string.

Author: newgene

schemas/smartapi_schema.json

@@ -153,7 +153,17 @@
           "description": "The role of the contact person. Values can be: responsible organization,responsible developer,contributor,support."
         },
         "x-id": {
-          "type": "string",
+          "oneOf": [
+            {
+              "type": "array",
+              "item": {
+                "type": "string"
+              }
+            },
+            {
+              "type": "string"
+            }
+          ],
           "description": "The identifier of of the contact person (e.g. orchid Id)"
         }
       }