Developer credits
Git commits in Moodle 2.5.3 by Matthew Noorenberghe
commit 4342b9320dcf2f8420234e91fd47da081de9db2d Author: Matthew Noorenberghe <github@matthew.noorenberghe.com> Date: Fri, 06 Sep 2013 12:37:39 +0800 Tag: v2.5.3 MDL-41634 - URL Download Repository doesn't warn when asked to download non-image files