adding wp-native-dashboard by codestyling
forcing jQuery on admin pages never use scripts, if quickswitcher is active.
supports WP core file system access for download, user friendly language names.
original WP US version doesn't contain a language path, caused download errors.
minor hotfix for UI at WP 3.0
bugfix screen column handling
dashboard switcher and admin bar didn't work at site or user admin pages
supports now BuddyPress Adminbar