prefer customize stuff to everything but user config
setup auctex mode
fixing load-path for org-mode
newer version of org-mode
checking in of coroa's config
treat init.el in user-dir special

if the user-dir contains an init.el only this file is loaded instead
of all the lisp files in the directory. gives the user more power
about loading order or postponing or conditioning (don't load gnus on
all machines, f.ex.).