Author: Andrew Nicols
MDL-61895 availability: Implement null provider for plugins
http://git.moodle.org/gw?p=moodle.git;a=commit;h=46612109ff4cefe8913786fee8bc84a8e188cf0e
http://github.com/moodle/moodle/commit/46612109ff4cefe8913786fee8bc84a8e188cf0e
+ 3.4 en [privacy:metadata,availability_completion]
+ 3.4 en [privacy:metadata,availability_date]
+ 3.4 en [privacy:metadata,availability_grade]
+ 3.4 en [privacy:metadata,availability_group]
+ 3.4 en [privacy:metadata,availability_grouping]
+ 3.4 en [privacy:metadata,availability_profile]