Add a MaxRetries option to the inventory connector.

If clustered services are used, another try would go to another server
and may succeed.

bin/config-include/GridCommon.ini.example

@@ -85,6 +85,7 @@
     ; Change this to your grid-wide inventory server
     ;
     InventoryServerURI = "${Const|BaseURL}:${Const|PrivatePort}"
+    ;MaxRetries = 0
 
 [GridInfo]
     ;