my emacs config

.emacs

;; backup files 
(setq backup-directory-alist `(("." . "~/.saves")))
(setq backup-by-copying t)
(setq delete-old-versions t
  kept-new-versions 6
  kept-old-versions 2
  version-control t)

;; packages
(setq package-archives '(("gnu" . "http://elpa.gnu.org/packages/")
                         ("org" . "http://orgmode.org/elpa/")
                        ("marmalade" . "http://marmalade-repo.org/packages/")
                         ("melpa-stable" . "http://melpa-stable.milkbox.net/packages/")))
(package-initialize)

(defun require-package (package)
  (setq-default highlight-tabs t)
  "Install given PACKAGE."
  (unless (package-installed-p package)
    (unless (assoc package package-archive-contents)
      (package-refresh-contents))
    (package-install package)))

(require 'evil)
(evil-mode 1)

(require 'neotree)
(global-set-key [f2] 'neotree-toggle)
(add-hook 'neotree-mode-hook
            (lambda ()
              (define-key evil-normal-state-local-map (kbd "TAB") 'neotree-enter)
              (define-key evil-norm
              al-state-local-map (kbd "SPC") 'neotree-enter)
              (define-key evil-normal-state-local-map (kbd "q") 'neotree-hide)
              (define-key evil-normal-state-local-map (kbd "RET") 'neotree-enter)))
(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(custom-safe-themes
   (quote
    ("b7d8a2b21cac06c88b4c214cad7b61fbdebe95d824b6121809e9d846ada3cd2e" default)))
 '(inhibit-startup-screen t)
 '(send-mail-function (quote smtpmail-send-it))
 '(smtpmail-smtp-server "webtropia1.gutsch.it")
 '(smtpmail-smtp-service 587))
(custom-set-faces
 ;; custom-set-faces was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 )

(autoload 'markdown-mode "markdown-mode"
   "Major mode for editing Markdown files" t)
(add-to-list 'auto-mode-alist '("\\.text\\'" . markdown-mode))
(add-to-list 'auto-mode-alist '("\\.markdown\\'" . markdown-mode))
(add-to-list 'auto-mode-alist '("\\.md\\'" . markdown-mode))

(setq default-tab-width 2)

(require 'helm)
(require 'helm-config)

;; The default "C-x c" is quite close to "C-x C-c", which quits Emacs.
;; Changed to "C-c h". Note: We must set "C-c h" globally, because we
;; cannot change `helm-command-prefix-key' once `helm-config' is loaded.
(global-set-key (kbd "C-c h") 'helm-command-prefix)
(global-unset-key (kbd "C-x c"))

(define-key helm-map (kbd "<tab>") 'helm-execute-persistent-action) ; rebind tab to run persistent action
(define-key helm-map (kbd "C-i") 'helm-execute-persistent-action) ; make TAB works in terminal
(define-key helm-map (kbd "C-z")  'helm-select-action) ; list actions using C-z

(when (executable-find "curl")
  (setq helm-google-suggest-use-curl-p t))

(setq helm-split-window-in-side-p           t ; open helm buffer inside current window, not occupy whole other window
      helm-move-to-line-cycle-in-source     t ; move to end or beginning of source when reaching top or bottom of source.
      helm-ff-search-library-in-sexp        t ; search for library in `require' and `declare-function' sexp.
      helm-scroll-amount                    8 ; scroll 8 lines other window using M-<next>/M-<prior>
      helm-ff-file-name-history-use-recentf t)

(helm-mode 1)

(require 'evil-leader)
(global-evil-leader-mode)
(evil-leader/set-leader ",")
(evil-leader/set-key
  "e" 'find-file
  "b" 'switch-to-buffer
  "k" 'kill-buffer)

(require 'evil-surround)
(global-evil-surround-mode 1)

(evil-commentary-mode)

; have _ be included as word
(defadvice evil-inner-word (around underscore-as-word activate)
  (let ((table (copy-syntax-table (syntax-table))))
    (modify-syntax-entry ?_ "w" table)
    (with-syntax-table table
      ad-do-it)))