emacs, автообновление пакетов, разрешение зависимостей

(when (>= emacs-major-version 24)
  (require 'package)
  (setq package-archives '(
                          ("melpa" . "http://melpa.milkbox.net/packages/")
                         ))
  (package-initialize)
  (unless package-archive-contents
  (package-refresh-contents))
  (setq package-list '(
       auto-complete           ;; (Auto Completion for GNU Emacs)
       auto-complete-c-headers ;; (An auto-complete source for C/C++ header files)
       yasnippet               ;; (Yet another snippet extension for Emacs)
       iedit                   ;; (Edit multiple regions in the same way simultaneously)
       flymake-google-cpplint  ;; (Help to comply with the Google C++ Style Guide)
       flymake-cursor          ;; (displays flymake error msg in minibuffer after delay)
       google-c-style          ;; (Google's C/C++ style for c-mode)
       neotree                 ;; (A tree plugin like NerdTree for Vim)
       monokai-theme           ;; (A fruity color theme for Emacs)
       zenburn-theme           ;; (A low contrast color theme for Emacs)
  ;    cedet                   ;; (Setup CEDET environment)
       markdown-mode           ;; (Emacs Major mode for Markdown-formatted text files)
  ;    markdown-toc            ;; (A simple TOC generator for markdown file)
  ;    pandoc-mode             ;; (Minor mode for interacting with Pandoc)
  ;    dired+                  ;; (Extensions to Dired)
       browse-url-dwim         ;; (Context-sensitive external browse URL or Internet search)
       ))
  (dolist (package package-list)
    (unless (package-installed-p package)
      (package-install package)))
)