(svn r10372) [0.5] -Backport from trunk (r10288, r10290, r10293, r10294, r10295, r10347, r10348):

- Feature: Make the client list window (for network games) stickyable (r10293)
- Fix: Smooth economy did not close primary industries and it allowed increasing of production of industries that should not have rising productions (r10290, r10347, r10348)
- Fix: Flush the output of the dedicated server console (r10295)
- Fix: The "pause" key did not work in the scenario editor (r10294)
- Fix: Age non-front engines too (so when you move engines around in the depot they do not get age 0 when they are much older [FS#202] (r10288)

train_cmd.c

@@ -3675,6 +3675,9 @@ void OnNewDay_Train(Vehicle *v)
 			InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 			InvalidateWindowClasses(WC_TRAINS_LIST);
 		}
+	} else if (IsTrainEngine(v)) {
+		/* Also age engines that aren't front engines */
+		AgeVehicle(v);
 	}
 }