added support for new morm api

- field(...) methods from Model take now FT structure instead of insertable/updatable/primary_key boolean flags
- table name is set in a prepare_table() method now
- added meta and admin_meta from ItemContent (morm has a field() method with PT::Space argument now)

winixd/models/item.h

@@ -137,7 +137,7 @@ public:
 	Item();
 
 	void map_fields();
-	void table_name(PT::TextStream & stream);
+	void prepare_table();
 	void before_insert();
 	void after_insert();