Introducing attachments fixes for blog posts and assets.

Requires migration of attachments schema using
python manage.py maintenance upgrade_attachment_schema --all

src/templates/nodes/edit.jade

@@ -1,11 +1,17 @@
-| {% extends 'layout.html' %}
+| {% extends 'projects/view.html' %}
 
 | {% block body %}
-div.container
+#project-container.container
 	div.page-content
 		| {% include 'nodes/edit_embed.html' %}
-| {% endblock %}
+| {% endblock body %}
 
 | {% block footer_scripts %}
-| {% include '_macros/_file_uploader_javascript.html' %}
-| {% endblock %}
+| {{ super() }}
+script.
+	$(function () {
+		updateUi('', 'edit');
+	});
+
+| {% endblock footer_scripts %}
+