Tweak dired-omit-mode and dired-hide-details-mode
Use byte-compile-dest-file-function

* etc/emacs/common/50emacs-lisp-mode.el (joaot/compile-and-load-buffer): Use
byte-compile-dest-file-function.
Disable postfix and dovecot on darwin, always use SMPT by default.

* etc/emacs/common/50gnus.el (message): By default, use SMTP for sending mail.

* etc/emacs/darwin/50gnus.el: Temporarily disable completely.
Autosave files go in same place as backups
Don't need these darwin hacks
Slime hacks

* etc/emacs/common/50slime.el ("LC_CTYPE"): SBCL needs this env var to be UTF-8 so
that it assumes UTF-8 in every file.
(require): Never load and never ask to load failed fasls
(require): If using slime, banish slime-space in repl as well.
Some html-mode and js-mode hacks
Don't turn on ido-vertical-mode by default
Homebrew path on Mac OSX Mavericks

* etc/emacs/darwin/50homebrew-path.el (exec-path): Need this until I figure ou how
to add environment variables that affect GUI-launched programs in
Mac OSX Mavericks.
No sense in having this file anymore
Inaugurate some new SBCL hacks
Use package qualifier for POSIX-GETENV