make doaction work for power off and on

EduNetworkBuilder/ActionClass.cs

@@ -265,8 +265,11 @@ namespace EduNetworkBuilder
                 case NBAction.replaceUPS:
                     break;
                 case NBAction.poweroff:
+                    source.PowerOff = true;
+                    myNet.RegisterDeviceReset(source.hostname);
                     break;
                 case NBAction.poweron:
+                    source.PowerOff = false;
                     break;
             }
         }