Tidy persistence TODO comments
diff --git a/core/src/main/java/brooklyn/management/internal/EntityChangeListener.java b/core/src/main/java/brooklyn/management/internal/EntityChangeListener.java
index 36a6324..d564074 100644
--- a/core/src/main/java/brooklyn/management/internal/EntityChangeListener.java
+++ b/core/src/main/java/brooklyn/management/internal/EntityChangeListener.java
@@ -30,7 +30,9 @@
 
     void onChildrenChanged();
 
-    void onPoliciesChanged(); // TODO
+    // FIXME Also want something to be notified when policy's state/config changes.
+    //       Do we want a separate PolicyChangeListener instead? Or everything through EntityChangeListener?
+    void onPoliciesChanged();
 
     void onEffectorStarting(Effector<?> effector);
     
diff --git a/core/src/main/java/brooklyn/management/internal/EntityManagementSupport.java b/core/src/main/java/brooklyn/management/internal/EntityManagementSupport.java
index 6d65648..6b9dcde 100644
--- a/core/src/main/java/brooklyn/management/internal/EntityManagementSupport.java
+++ b/core/src/main/java/brooklyn/management/internal/EntityManagementSupport.java
@@ -344,9 +344,10 @@
         }
         @Override
         public void onAttributeChanged(AttributeSensor<?> attribute) {
-            // if important persist, otherwiise ignore
+            // TODO Could make this more efficient by inspecting the attribute to decide if needs persisted
+            // immediately, or not important, or transient (e.g. do we really need to persist 
+            // request-per-second count for rebind purposes?!)
             getManagementContext().getRebindManager().getChangeListener().onChanged(entity);
-            // getManagementContext().getRebindManager().getAttributeChangeListener().onChanged(entity, attribute);
         }
         @Override
         public void onConfigChanged(ConfigKey<?> key) {