Re-ordered keys to match other usage.

lib/DataView.js

@@ -370,7 +370,7 @@ DataView.prototype._onEvent = function (event, params, senderId) {
       this._trigger('add', {items: added}, senderId);
     }
     if (updated.length) {
-      this._trigger('update', {items: updated, data: updatedData, oldData: oldData}, senderId);
+      this._trigger('update', {items: updated, oldData: oldData, data: updatedData}, senderId);
     }
     if (removed.length) {
       this._trigger('remove', {items: removed}, senderId);