Enabling the Elpa and Marmalade repositories

The default Emacs package repository is not very complete. One almost always want the Elpa and Marmalade repositories as well: This should go very early in the init.el file, so that the remainder of the file can use any packages that has been installed from these repositories.

(require 'package)
(add-to-list 'package-archives '("elpa" . "http://tromey.com/elpa/"))
(add-to-list 'package-archives '("marmalade" . "http://marmalade-repo.org/packages/"))
(package-initialize)