Git commits in Moodle 3.2.4 by Juan Leyva

commit ba76815aafe29228010e23e6c0acd317bb390b5f
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Thu, 08 Jun 2017 17:03:07 +0800
Tag:    v3.2.4

MDL-40015 core_course: Fix description of duplicate_course WS

commit 70dcc1e39af2234ca3cd7268a01796adcbd211da
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Thu, 08 Jun 2017 16:39:44 +0800
Tag:    v3.2.4

MDL-59112 theme_clean: Always return expected moodle_url