Update my configuration files

elisp/org-setup.el

@@ -29,15 +29,23 @@
 
 	("org" :components ("org-notes" "org-static"))))
 
+;; preserve indentation on output
+(setq org-src-preserve-indentation t)
+
 ;; some config for org-babel
 (setq org-confirm-babel-evaluate nil
       org-src-fontify-natively t
-      org-src-tab-acts-natively t)
+      org-src-tab-acts-natively t
+      org-hide-emphasis-markers t)
 
-;;load languages babel
+;; use js2-mode instead of js-mode in org-mode
+(add-to-list 'org-src-lang-modes '("js" . js2))
+
+;; load languages babel
 (org-babel-do-load-languages
  'org-babel-load-languages
- '((clojure    . t)
+ '((C          . t)
+   (js         . t)
    (emacs-lisp . t)
    (haskell    . t)
    (scheme     . t)