Author: Danny Wahl
MDL-36991: Conditional activity restrictions should be displayed as list
http://git.moodle.org/gw?p=moodle.git;a=commit;h=9a8caba23896fecce12cfc4e523e39a05e4a0d3b
http://github.com/moodle/moodle/commit/9a8caba23896fecce12cfc4e523e39a05e4a0d3b
+ 2.5 en [userrestriction_hidden,core_condition]
+ 2.5 en [userrestriction_visible,core_condition]