bugfix parent to parentId

public/javascripts/models/task.js

@@ -9,7 +9,6 @@ Backbone
   var TaskModel = Backbone.Model.extend({
 
     defaults: {
-      parent: 0,
 	  parentId: 0,
       content: '',
       isCompleted: 0

public/javascripts/views/list.js

@@ -37,10 +37,10 @@ TaskView
         model: task
       });
       var a = taskView.render();
-      if (a.model.get('parent')===null||a.model.get('parent')===0)
+      if (a.model.get('parentId')===0)
         this.$el.append(a.el);
       else
-        a.$el.insertAfter($('*[data-id="'+a.model.get('parent')+'"]').parents('li:first'));
+        a.$el.insertAfter($('*[data-id="'+a.model.get('parentId')+'"]').parents('li:first'));
     }
 
  });

public/javascripts/views/task.js

@@ -160,11 +160,15 @@ define(
                 });
             },
 
+            /**
+             * Add a new blank note
+             * @param {object} inputEle Input elelement from parent item
+             */
             addNote: function (inputEle) {
                 var $inputEle = $(inputEle);
                 Tasks.add({
                     content: '',
-                    parentId: this.model.get('parentId')
+                    parentId: $inputEle.data('id')||0
                 });
                 $inputEle.blur();
                 $inputEle.closest('li').next('li').find('input').focus();