Author: Tung Thai
MDL-66992 core_badges: Add support to Open Badges 2.1
http://git.moodle.org/gw?p=moodle.git;a=commit;h=15a00bead1d7b38513c4f80adf039194cfe4ef4b
http://github.com/moodle/moodle/commit/15a00bead1d7b38513c4f80adf039194cfe4ef4b
+ 3.9 en [backpackconnected,core_badges]
+ 3.9 en [backpackdisconnected,core_badges]
+ 3.9 en [backpackexporterror,core_badges]
+ 3.9 en [oauth2issuer,core_badges]
+ 3.9 en [openbadgesv2p1,core_badges]
+ 3.9 en [privacy:metadata:backpackoauth2,core_badges]
+ 3.9 en [privacy:metadata:backpackoauth2:userid,core_badges]
+ 3.9 en [privacy:metadata:backpackoauth2:usermodified,core_badges]
+ 3.9 en [privacy:metadata:backpackoauth2:token,core_badges]
+ 3.9 en [privacy:metadata:backpackoauth2:issuerid,core_badges]
+ 3.9 en [privacy:metadata:backpackoauth2:scope,core_badges]