Developer credits
Git commits in Moodle 2.7.1 by Sam Chaffee
commit fd85f4eeb95d009cb91f5383565a20438a363a8e Author: Sam Chaffee <sam@moodlerooms.com> Date: Thu, 01 May 2014 01:55:57 +0800 Tag: v2.7.1 MDL-45767: Fixed DB error when returning to course from external tool