Git commits in Moodle 2.6.5 by Matteo Scaramuccia

commit 34b17698c4ed6ffec5539183d424a2ff2aa6429a
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Wed, 27 Aug 2014 05:06:42 +0800
Tag:    v2.6.5

MDL-46985 Added 7-Zip and RAR MIME types.