Add explicit api_url to config and testserver-mode indication, add id rewrite when changes are applied to fix image upload on a new object, various formatting fixes; version bump

src/Logic/Osm/AuthConfig.ts

@@ -3,4 +3,5 @@ export interface AuthConfig {
     oauth_client_id: string
     oauth_secret: string
     url: string
+    api_url: string
 }