Author: Adrian Greeve
MDL-63566 tool_dataprivacy: New interface check for userlist.
This adds another check to see if the plugins are implementing the
new core_userlist_provider.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f7d57a3d96ac7eaf014484a7f26e5f05341b3c32
http://github.com/moodle/moodle/commit/f7d57a3d96ac7eaf014484a7f26e5f05341b3c32
+ 3.5 en [userlistnoncompliant,tool_dataprivacy]
+ 3.5 en [userlistexplanation,tool_dataprivacy]