Add child page support.

- Add support to create a new node as a child of an existing node.
   - Update or add a parent for a given node.
Fix delete and trash behavior: when a node is not published only the
   - author or admin see it.

Fix Node and Page node Revisions.

modules/node/handler/node_view_response.e

@@ -72,6 +72,7 @@ feature -- Execution
 					attached node_api.node_type_webform_manager (l_content_type) as l_manager
 				then
 					l_manager.append_html_output_to (l_node, Current)
+					add_to_primary_tabs (create {CMS_LOCAL_LINK}.make ("Add Child", node_api.node_path (l_node) + "/add_child/page"))
 				end
 			elseif revision > 0 then
 				set_main_content ("Missing revision node!")
@@ -84,6 +85,8 @@ feature -- Execution
 			if l_node /= Void and revision > 0 then
 				set_title ("Revision #" + revision.out + " of " + html_encoded (l_node.title))
 			end
+
+
 		end
 
 end