Deprecate move cell up/down

notebook/static/notebook/js/notebook.js

@@ -846,6 +846,9 @@ define(function (require) {
      * @return {Notebook} This notebook
      */
     Notebook.prototype.move_cell_up = function (index) {
+        console.warn('Notebook.move_cell_up is deprecated');
+        this.events.trigger('deprecated.Notebook', 'Move cell up is deprecated');
+        
         var i = this.index_or_selected(index);
         if (this.is_valid_cell_index(i) && i > 0) {
             var pivot = this.get_cell_element(i-1);
@@ -870,6 +873,9 @@ define(function (require) {
      * @return {Notebook} This notebook
      */
     Notebook.prototype.move_cell_down = function (index) {
+        console.warn('Notebook.move_cell_down is deprecated');
+        this.events.trigger('deprecated.Notebook', 'Move cell down is deprecated');
+        
         var i = this.index_or_selected(index);
         if (this.is_valid_cell_index(i) && this.is_valid_cell_index(i+1)) {
             var pivot = this.get_cell_element(i+1);

notebook/static/notebook/js/notificationarea.js

@@ -305,6 +305,9 @@ define([
         this.events.on('notebook_copy_failed.Notebook', function (evt, error) {
             nnw.warning(error.message || "Notebook copy failed");
         });
+        this.events.on('deprecated.Notebook', function (evt, message) {
+            nnw.warning(message, 2000);
+        });
         
         // Checkpoint events
         this.events.on('checkpoint_created.Notebook', function (evt, data) {