Git commits in Moodle 2.8.x by Krista Koivisto

commit dc8421575f35585a7a4fc1c9710dafd1d0483d4e
Author: Krista Koivisto <krista@kittysec.org>
Date:   Thu, 04 Feb 2016 13:51:06 +0800
Tag:    v2.8.11

MDL-52774 ajax: Require authentication when getting nav branch