Updated mediawiki/extensions
Project: mediawiki/extensions/Moodle  8abc177167a33366e963c05febaef6778a60b25d

Adding database schema and appropriate hook
Grades page now interacts with database
need to add functions on moodle end to get internal ids and grades

Change-Id: I038268d84c042ef98c8ac5b8ac95bf7f37646279