Added support for log stored in CMS_STORAGE.

Added support for custom value stored in CMS_STORAGE.
Added optional css classes addition to CMS_BLOCK output.
Refactored storage, to manage node from node module code only (or mostly).

TODO: improved view for a cms node, for now hardcoded.

src/persistence/cms_storage.e

@@ -10,9 +10,9 @@ deferred class
 	CMS_STORAGE
 
 inherit
-	CMS_USER_STORAGE
+	CMS_CORE_STORAGE_I
 
-	CMS_NODE_STORAGE
+	CMS_USER_STORAGE_I
 
 	SHARED_LOGGER
 
@@ -52,21 +52,4 @@ feature -- Element change
 			api := a_api
 		end
 
-feature -- Misc
-
---	set_custom_value (a_name: READABLE_STRING_8; a_value: attached like custom_value; a_type: READABLE_STRING_8)
---			-- Save data `a_name:a_value' for type `a_type'
---		deferred
---		end
-
---	custom_value (a_name: READABLE_STRING_8; a_type: READABLE_STRING_8): detachable TABLE_ITERABLE [READABLE_STRING_8, STRING_8]
---			-- Data for name `a_name' and type `a_type'.
---		deferred
---		end
-
---	custom_value_names_where (a_where_key, a_where_value: READABLE_STRING_8; a_type: READABLE_STRING_8): detachable LIST [READABLE_STRING_8]
---			-- Names where custom value has item `a_where_key' same as `a_where_value' for  type `a_type'.
---		deferred
---		end
-
 end