Git commits in Moodle 3.2.3 by Arnaud Trouve

commit b2931bc620a9f41135a1031123090d5726ad4c31
Author: Arnaud Trouve <ak4t0sh@free.fr>
Date:   Fri, 17 Mar 2017 15:28:25 +0800
Tag:    v3.2.3

MDL-58257 course: fix search containing a hyphen


commit 27e0254e8f678959b071d72597b20132076e9084
Author: Arnaud Trouve <ak4t0sh@free.fr>
Date:   Sat, 11 Mar 2017 01:22:30 +0800
Tag:    v3.2.3

MDL-57994 course: fix newsitems value