5 minutes update check interval.

NzbDrone.Core/Jobs/TaskManager.cs

@@ -41,7 +41,7 @@ public void Handle(ApplicationStartedEvent message)
                     new ScheduledTask{ Interval = 12*60, TypeName = typeof(UpdateXemMappings).FullName},
                     new ScheduledTask{ Interval = 6*60, TypeName = typeof(DiskScanCommand).FullName},
                     new ScheduledTask{ Interval = 1, TypeName = typeof(DownloadedEpisodesScanCommand).FullName},
-                    new ScheduledTask{ Interval = 15, TypeName = typeof(ApplicationUpdateCommand).FullName}
+                    new ScheduledTask{ Interval = 5, TypeName = typeof(ApplicationUpdateCommand).FullName}
                 };
 
             var currentTasks = _scheduledTaskRepository.All();