- added to FunctionBase: bool register_default_models (default true)

if true then winix will add default models for ezc templates such as "request", "item", etc.
- some methods from templates/item.cpp moved to Item

winixd/core/app.h

@@ -194,6 +194,7 @@ private:
 	void SetLocale();
 	void CheckPostRedirect();
 	void MakePage();
+	void AddDefaultModels();
 	void Make();
 	void SaveSessionsIfNeeded(); // !! IMPROVE ME wywalic do menagera sesji??
 	void LogAccess();