Fix siemens path

Added user id in closed maintenances
Minor fixes

Step.Database/Controllers/MaintenancesController.cs

@@ -42,13 +42,14 @@ namespace Step.Database.Controllers
         }
 
 
-        public PerformedMaintenanceModel PerformeMaintenance(uint counterValue, int maintenanceId)
+        public PerformedMaintenanceModel PerformeMaintenance(uint counterValue, int maintenanceId, int userId)
         {
             PerformedMaintenanceModel performed = new PerformedMaintenanceModel()
             {
                 CounterValue = (int)counterValue,
                 Date = DateTime.Now,
-                MaintenanceId = maintenanceId
+                MaintenanceId = maintenanceId,
+                MaintainerId = userId
             };
 
             dbCtx.PerformedMaintenances.Add(performed);