- fixed response.include_files() to behave correctly with response.static_version_urls - added response.static_version_urls to admin - refactored admin URL() usage passing always and correctly 'static' as the controller
- fixed response.include_files() to behave correctly with response.static_version_urls - added response.static_version_urls to admin - refactored admin URL() usage passing always and correctly 'static' as the controller