Git commits in Moodle 2.8.x by Jean-Philippe Gaudreau

commit 80764a301f19d39a7ff0a468e6f4e6c5f36f675c
Author: Jean-Philippe Gaudreau <jp.gaudreau@umontreal.ca>
Date:   Tue, 25 Aug 2015 05:05:44 +0800
Tag:    v2.8.9

MDL-51191 assign: Optimizing slow SQL query for MySQL


commit b8ad1728d8eca4a8c97b0d56b4597d0c72db9935
Author: Jean-Philippe Gaudreau <jp.gaudreau@umontreal.ca>
Date:   Sat, 05 Jul 2014 00:02:34 +0800
Tag:    v2.8.0-beta

MDL-45765 Calendar import: Fix undefined variable in cron when updating calendar subscriptions