(defun newline-previous ()
  "Insert a blank line above the cursor and move the cursor up one line."
  (interactive)
  (beginning-of-line)
  (newline)
  (previous-line)
  (indent-according-to-mode))

;; From https://github.com/defunkt/textmate.el
(defun newline-next ()
  "Inserts an indented newline after the current line and moves the point to it."
  (interactive)
  (end-of-line)
  (newline-and-indent))