Add log line to identify exception raising check plugin

checks/CheckJob.cs

@@ -75,6 +75,7 @@ namespace ln.skyscanner.checks
 
                     } catch (Exception e)
                     {
+                        Logging.Log(LogLevel.WARNING, "Exception caught by CheckJob {0} [{1} / {3}]: {2}", checks[n].Name,Node.Name,e,Node.UniqueIdentity);
                         Logging.Log(e);
                         if (checks[n].IsCritical)
                             break;