* archive each object as a separate xml file rather than put them all in one single large file

* this is being done for reasons of compositionality

OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs

@@ -146,7 +146,7 @@ namespace OpenSim.Region.Environment.Scenes
         }
 
         /// <summary>
-        ///
+        /// Number of prims in this group
         /// </summary>
         public int PrimCount
         {
@@ -164,14 +164,6 @@ namespace OpenSim.Region.Environment.Scenes
             set { m_rootPart.GroupID = value; }
         }
 
-        /// <summary>
-        ///
-        /// </summary>
-        public LLVector3 GroupCentrePoint
-        {
-            get { return new LLVector3(0, 0, 0); }
-        }
-
         public Dictionary<LLUUID, SceneObjectPart> Children
         {
             get { return m_parts; }