Add autoloads for auto-mode-alist to haml/sass-mode.el.

Also added a footer. Both these are needed for ELPA submission.

extra/haml-mode.el

@@ -419,6 +419,9 @@ the current line."
   "Return the indentation string for `haml-indent-offset'."
   (mapconcat 'identity (make-list haml-indent-offset " ") ""))
 
-;; Setup/Activation
+;;;###autoload
+(add-to-list 'auto-mode-alist '("\\.haml$" . haml-mode))
 
+;; Setup/Activation
 (provide 'haml-mode)
+;;; haml-mode.el ends here

extra/sass-mode.el

@@ -90,6 +90,9 @@ text nested beneath them.")
         unless (looking-at opener) return t
         return nil))
 
-;; Setup/Activation
+;;;###autoload
+(add-to-list 'auto-mode-alist '("\\.sass$" . sass-mode))
 
+;; Setup/Activation
 (provide 'sass-mode)
+;;; sass-mode.el ends here