Git commits in Moodle 2.7.8 by Adrian Greeve

commit fd6358feaaeaba14249ec489fa09771ed50c1dc2
Author: Adrian Greeve <adrian@moodle.com>
Date:   Fri, 17 Apr 2015 11:30:18 +0800
Tag:    v2.7.8

MDL-49880 mod_lesson: Fixed notice while importing questions.


commit e1e21e55e693e615d458e708f361406389146cf1
Author: Adrian Greeve <adrian@moodle.com>
Date:   Thu, 15 Jan 2015 17:36:05 +0800
Tag:    v2.7.8

MDL-48858 mod_data: Update to behat tests