Merge branch 'master' of metalzone:etc/profile

Merge branch 'master' of metalzone:etc/profile

* 'master' of metalzone:etc/profile:
  dot/bash_profile (__mdw_addto): Quote new value properly.
  dot/xinitrc: Whoops.  Spelt the Gnome authentication agent thing wrong.
  dot/emacs: Have w3m display PDF files in Evince.
  dot/emacs: Remove Senator's unpleasant claws from isearch.
  el/dot-emacs.el: Remove further stray debugging code.
  el/dot-emacs.el: Allow `+' as a list item marker.
  dot/emacs: Remove VCS directories from `completion-ignored-extensions'
  .gitattributes: Diff Emacs Lisp files as Lisp.
  dot/bash_profile (__mdw_addto) SECURITY: Only set var if it changed.
  dot/xinitrc: Start policykit authentication agent if present.
  el/dot-emacs.el: Explicitly indent with spaces in Python-like modes.
  el/dot-emacs.el: Front-end function for turning on `whitespace-mode'.
  dot/emacs: Use `window-system-default-frame-alist'.
  dot/Xdefaults: Use server fonts by default in Emacs.
  dot/emacs: Turn on column number display.
  dot/emacs: More `dired' hacking: tweak keymap.
  dot/emacs: Tweak `dired' settings.
  dot/emacs: Force use of server-side X fonts.
  dot/emacs: Make `gnus' be the default mail reader.
  dot/emacs: Fix stupid bug in `tramp' setup.