(require 'powerline)
(command-execute 'powerline-default-theme)
(global-auto-revert-mode t)
(when (package-installed-p 'markdown-mode)
(add-to-list 'auto-mode-alist '("\\.markdown\\'" . markdown-mode))
(add-to-list 'auto-mode-alist '("\\.md\\'" . markdown-mode)))