correct version and OMG name assignment

OpenMQTTGateway.ino

@@ -93,7 +93,7 @@ boolean reconnect() {
     // Once connected, publish an announcement...
       client.publish(will_Topic,Gateway_AnnouncementMsg,will_Retain);
       // publish version
-      client.publish(version_Topic,VERSION,will_Retain);
+      client.publish(version_Topic,OMG_VERSION,will_Retain);
       //Subscribing to topic
       if (client.subscribe(subjectMQTTtoX)) {
         #ifdef ZgatewayRF