Git commits in Moodle 2.7.1 by Skylar Kelty

commit f97581eda77e12f73dfe693e19c501070f3a26c8
Author: Skylar Kelty <S.Kelty@kent.ac.uk>
Date:   Wed, 02 Jul 2014 15:35:24 +0800
Tag:    v2.7.1

MDL-46227 Fix XSS in scheduled tasks