Author: Andrew Nicols
MDL-68169 user: Add keyword filter
Part of MDL-67743
http://git.moodle.org/gw?p=moodle.git;a=commit;h=028ec17c94dbdae505c395327e5b317b93c5c466
http://github.com/moodle/moodle/commit/028ec17c94dbdae505c395327e5b317b93c5c466
+ 3.9 en [placeholdertypeorselect,core_user]
+ 3.9 en [placeholdertype,core_user]
+ 3.9 en [filterbykeyword,core_user]
- 3.9 en [typeorselect,core_user]