   :ensure git-gutter)
 (global-git-gutter-mode +1)
 (git-gutter:linum-setup)
+(global-set-key (kbd "C-c <up>") 'git-gutter:previous-hunk)
+(global-set-key (kbd "C-c <down>") 'git-gutter:next-hunk)
 
 ;; Handy pop-up messages with git info.
 (use-package git-messenger

    (define-key m [f6] 'recompile)))

(add-hook 'prog-mode-hook 'ar/prog-mode-hook)

(when (fboundp 'tool-bar-mode)
  (tool-bar-mode -1))

;; Prevent Extraneous Tabs.
;; From http://www.gnu.org/software/emacs/manual/html_node/eintr/Indent-Tabs-Mode.html
(setq-default indent-tabs-mode nil)
