Author: Salem Saidi
MDL-81070 course: Display contact names in the search result by admin
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f2384c458f2d3413e95c8188db9244cf1dc9fc72
http://github.com/moodle/moodle/commit/f2384c458f2d3413e95c8188db9244cf1dc9fc72
+ 5.0 en [contactsbyrolelist,core]