Use old config on migration.

Author: Bytekeeper

src/main/java/org/stt/config/ConfigServiceFacade.java

@@ -22,6 +22,7 @@ public void start() throws Exception {
         jsonConfigService.start();
         if (jsonConfigService.isNewConfig()) {
             yamlConfigService.start();
+            jsonConfigService.setConfig(yamlConfigService.getConfig());
         } else {
             skipYaml = true;
         }

src/main/java/org/stt/config/JsonConfigService.java

@@ -41,6 +41,10 @@ public ConfigRoot getConfig() {
         return config;
     }
 
+    public void setConfig(ConfigRoot config) {
+        this.config = config;
+    }
+
     @Override
     public void start() throws Exception {
         boolean mkdirs = sttJson.getParentFile().mkdirs();