Removing the ClientManager reference from IScene and hiding it entirely inside Scene as an implementation detail. This will reduce programming error and make it easier to refactor the avatar vs client vs presence mess later on

OpenSim/Region/Application/OpenSim.cs

@@ -970,12 +970,12 @@ namespace OpenSim
                     m_sceneManager.ForEachScene(
                         delegate(Scene scene)
                         {
-                            scene.ClientManager.ForEachSync(
+                            scene.ForEachClient(
                                 delegate(IClientAPI client)
                                 {
                                     connections.AppendFormat("{0}: {1} ({2}) from {3} on circuit {4}\n",
                                         scene.RegionInfo.RegionName, client.Name, client.AgentId, client.RemoteEndPoint, client.CircuitCode);
-                                }
+                                }, false
                             );
                         }
                     );