* minor: Make it clear that non-scheduled updates can happen outside of the per frame update heartbeat

OpenSim/Region/Environment/Scenes/EntityBase.cs

@@ -131,7 +131,8 @@ namespace OpenSim.Region.Environment.Scenes
         public abstract void UpdateMovement();
 
         /// <summary>
-        /// Performs any updates that need to be done at each frame.
+        /// Performs any updates that need to be done at each frame, as opposed to immediately.  
+        /// These included scheduled updates and updates that occur due to physics processing.
         /// </summary>
         public abstract void Update();
 

OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs

@@ -1527,9 +1527,6 @@ namespace OpenSim.Region.Environment.Scenes
 
         #region Scheduling
 
-        /// <summary>
-        /// Examine this object's parts to see if they've changed sufficiently to warrant an update
-        /// </summary>
         public override void Update()
         {
             // Check that the group was not deleted before the scheduled update

OpenSim/Region/Environment/Scenes/ScenePresence.cs

@@ -908,6 +908,7 @@ namespace OpenSim.Region.Environment.Scenes
 
                 }
             }
+            
             if (PhysicsActor == null)
             {
                 return;
@@ -1554,9 +1555,6 @@ namespace OpenSim.Region.Environment.Scenes
 
         #region Overridden Methods
 
-        /// <summary>
-        ///
-        /// </summary>
         public override void Update()
         {
             SendPrimUpdates();