Bug fix - unable to publish

- The addition of published/draft statuses to the post model on the frontend was being returned to the server.
- These additional properties are client-side only and are now unset before the model is saved

core/admin/assets/js/models/post.js

@@ -8,6 +8,8 @@
             status: 'draft'
         },
 
+        blacklist: ['published', 'draft'],
+
         parse: function (resp) {
             if (resp.status) {
                 resp.published = !!(resp.status === "published");

core/admin/assets/js/views/editor.js

@@ -130,6 +130,10 @@
 
         savePost: function (data) {
             // TODO: The content getter here isn't great, shouldn't rely on currentView.
+            _.each(this.model.blacklist, function (item) {
+                this.model.unset(item);
+            }, this);
+
             var saved = this.model.save(_.extend({
                 title: $('#entry-title').val(),
                 content: Ghost.currentView.editor.getValue()