Author: Zig Tan
MDL-61567 mod_folder: Implement null provider mod_folder
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c383366601ba5947404db5cf185dfcd8dc834159
http://github.com/moodle/moodle/commit/c383366601ba5947404db5cf185dfcd8dc834159
+ 3.5 en [privacy:metadata,mod_folder]