Git commits in Moodle 2.8.3 by Adrian Greeve

commit a6acd5ff4f00d5e9b5f5b40106153630fa691f4e
Author: Adrian Greeve <adrian@moodle.com>
Date:   Mon, 22 Dec 2014 11:49:02 +0800
Tag:    v2.8.3

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