added some useful functions, no longer dependent on site-gentoo, manually require site-lisp's
added some useful functions, no longer dependent on site-gentoo, manually require site-lisp's

git-svn-id: 5ebbf898df38bb50132b982d7121d99e1aa32665@15 fb327865-0606-0410-b31b-95a48d5bc805

dgtized/dotfiles,dgtized/dotfiles,dgtized/dotfiles