Use valid Markdown formatting in CHANGELOG.md

CHANGELOG.md

@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file.
 
 ## Unreleased
+
+
 ### Added
 - New feature: Allow setting the default sort criterion using the
   `fancyindex_default_sort` configuration directive. (Patch by
@@ -9,29 +11,39 @@ All notable changes to this project will be documented in this file.
 - New feature: Allos changing the maximum length of file names, using
   the `fancyindex_name_length` configuration directive. (Patch by
   Martin Herkt).
+
 ### Changed
 - Renames `NEWS.rst` to `CHANGELOG.md`, which follows the recommendations
 	from [Keep a Change Log](http://keepachangelog.com/).
 
+
 ## 0.3.4 - 2014-09-03
+
 ### Added
 - Viewport is now defined in the generated HTML, which works better
   for mobile devices.
+
 ### Changed
 - Even-odd row styling moved to the CSS using :nth-child(). This
   makes the HTML served to clients smaller.
 
+
 ## 0.3.3 - 2013-10-25
+
 ### Added
 - New feature: table headers in the default template are now clickable
   to set the sorting criteria and direction of the index entries.
   (https://github.com/aperezdc/ngx-fancyindex/issues/7)
 
+
 ## 0.3.2 - 2013-06-05
+
 ### Fixed
 - Solved a bug that would leave certain clients stalled forever.
 - Improved handling of subrequests for non-builtin headers/footers.
 
+
 ## 0.3.1 - 2011-04-04
+
 ### Added
 - `NEWS.rst` file, to act as change log.