Author: Zig Tan
MDL-61568 repository_skydrive: Implement null privacy provider
http://git.moodle.org/gw?p=moodle.git;a=commit;h=63cc353a06173b54c19f50f6a6adf75d494284a7
http://github.com/moodle/moodle/commit/63cc353a06173b54c19f50f6a6adf75d494284a7
+ 3.5 en [privacy:metadata,repository_skydrive]