moved some ezc functions from templates/item.cpp to Item and ItemContent

removed: templates/item.cpp
updated: some html templates which use [item] or [item_tab]
removed some old html templates: item_info.html and itam_tab_info.html

winixd/models/item.cpp

@@ -92,6 +92,7 @@ void Item::fields()
 
 	field(L"execute",					&Item::execute);
 
+	field(L"has_html_template", 		&Item::has_html_template);
 
 	// may we should add a method setTypeFromInt(int t)?
 	type = static_cast<Type>(type_helper);
@@ -648,6 +649,11 @@ void Item::execute(EzcEnv & env)
 }
 
 
+bool Item::has_html_template()
+{
+	return !html_template.empty();
+}
+
 
 } // namespace Winix