Restructured Blog Module

All blog handlers and storage classes are detached from the nodes module. All files of the blog module are in the modules/blog folder

modules/node/persistence/cms_node_storage_null.e

@@ -41,12 +41,6 @@ feature -- Access: node
 			create {ARRAYED_LIST [CMS_NODE]} Result.make (0)
 		end
 
-	blogs: LIST[CMS_NODE]
-			-- List of nodes ordered descending by creation date
-		do
-			create {ARRAYED_LIST [CMS_NODE]} Result.make (0)
-		end
-
 	recent_nodes (a_lower: INTEGER; a_count: INTEGER): LIST [CMS_NODE]
 			-- List of the `a_count' most recent nodes, starting from `a_lower'.
 		do