Author: Andrew Nicols
MDL-61307 core: Define a new privacy component
http://git.moodle.org/gw?p=moodle.git;a=commit;h=dcc16e155d96308be90d5ae3c271497ed63fc5e8
http://github.com/moodle/moodle/commit/dcc16e155d96308be90d5ae3c271497ed63fc5e8
+ 3.5 en [userpreferences,core]