Git commits in Moodle 3.4.2 by Dani Palou

commit d9aa39baad1ca23acc6e1ae055c05bbd9e60c40b
Author: Dani Palou <dani@moodle.com>
Date:   Tue, 06 Mar 2018 23:05:55 +0800
Tag:    v3.4.2

MDL-61600 recaptcha: Create a script to display recaptcha