Author: David Monllao
MDL-10259 core Adding a search courses box if there are too many courses
http://git.moodle.org/gw?p=moodle.git;a=commit;h=98795fd1a634cf4f69bf66392026260e1ca7df45
http://github.com/moodle/moodle/commit/98795fd1a634cf4f69bf66392026260e1ca7df45
+ 2.4 en [therearecourses,core]