Minior fixes. Tested ZR on a vanilla server with newest SourceMod, fixed issues related to vanilla configuration. See details.

Fixed timer handle error in volfeatures on map end.
Fixed incorrect default value in class cvars.
Changed map config files to be loaded in OnAutoConfigsBuffered.

src/zr/volfeatures/volevents.inc

@@ -180,6 +180,15 @@ VolOnRoundEnd()
     VolDisableVolumes();
 }
 
+/**
+ * Called right before the map ends.
+ */
+VolOnMapEnd()
+{
+	// Make sure timers and volumes are stopped. Foreward event.
+	VolOnRoundEnd();
+}
+
 /**
  * Called when a volume is disabled.
  * @param volumeIndex   The volume index.