~/.emacs.d: update melpa link
~/.emacs.d: add a tiny mode for pixie

based on clojure-mode, which must be installed.
~/.emacs.d: sync updated files automatically

e.g. update the buffer with the new content when they're changed on
disk.
~/.emacs.d: set a standard haskell indent mode

not ideal, if i remember correctly.
~/.emacs.d: make petite chez scheme the default scheme