Git commits in Moodle 2.7.5 by Adrian Greeve

commit 74783abd8d2e8366af941eb64c8a53f24c37a0da
Author: Adrian Greeve <adrian@moodle.com>
Date:   Mon, 22 Dec 2014 11:49:02 +0800
Tag:    v2.7.5

MDL-48325 mod_data: Export to portfolio button uses capability.