Git commits in Moodle 2.7.6 by Matteo Scaramuccia

commit 61cff2855eb18bf268aa09e0ac53ecc16c21adbf
Author: Matteo Scaramuccia <moodle@matteoscaramuccia.com>
Date:   Sun, 11 Jan 2015 16:38:56 +0800
Tag:    v2.7.6

MDL-48799 Files API: fixed legacy directory fallback.