   :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

(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)

    (defun new-browser-tab ()
      "Open a new browser tab in the default browser."
      (interactive)
      (shell-command "open http://google.com"))
    ;; Ensures PATH is loaded from shell.
    (use-package exec-path-from-shell
      :ensure exec-path-from-shell)
    (exec-path-from-shell-initialize))
 ((string-equal system-type "gnu/linux") ; Linux
    (defun new-browser-tab ()
      "Open a new browser tab in the default browser."
