Git commits in Moodle 3.4.2 by Igor Sazonov

commit 3b2e74d33ed85101cd970610c454ded0f78075a1
Author: Igor Sazonov <sovletig@gmail.com>
Date:   Fri, 19 Jan 2018 20:13:17 +0800
Tag:    v3.4.2

MDL-58410 user: add support for alternative name search