https://github.com/purcell/unfill.git
git clone 'git://github.com/purcell/unfill.git'
Functions providing the inverse of Emacs' fill-paragraph and fill-region
Preferred method: install from Marmalade or Melpa.
Otherwise:
(add-to-list 'load-path "/dir/containing/unfill")
(require 'unfill)
M-x unfill-region
M-x unfill-paragraph
M-x toggle-fill-unfill