Author: Jayce Birrell
MDL-85698 core: combo box informs screen reader users
http://git.moodle.org/gw?p=moodle.git;a=commit;h=38fe5cc384e9165ce96c70a17eb9fed53d6af3ca
http://github.com/moodle/moodle/commit/38fe5cc384e9165ce96c70a17eb9fed53d6af3ca
+ 4.5 en [multipleitemsfound,core]
+ 4.5 en [noitemsfound,core]
+ 4.5 en [oneitemfound,core]