reset nite-overlay when stopFollow() is called

Author: rossengeorgiev

cache.manifest

@@ -1,5 +1,5 @@
 CACHE MANIFEST
-# version 263
+# version 265
 
 # gogole maps files
 http://maps.google.com/maps/api/js?v=3.10&sensor=false&language=en_us&key=AIzaSyCOqkcNey4CCyG4X0X5qxHAhCgD8g5DwXg

js/tracker.js

@@ -243,6 +243,10 @@ function stopFollow() {
 	if(follow_vehicle != -1) {
         vehicles[follow_vehicle].follow = false;
         follow_vehicle = -1;
+
+        // reset nite overlay
+        nite.setDate(null);
+        nite.refresh();
     }
 }