Git commits in Moodle 2.8.4 by Jean-Michel Vedrine

commit cc8ac87f0113ab1014b291be0489a2d43d20d803
Author: Jean-Michel Vedrine <vedrine@vedrine.org>
Date:   Mon, 26 Jan 2015 00:13:00 +0800
Tag:    v2.8.4

MDL-48964 mod_lesson: Errors when updating matching questions


commit 1a825a276ee86b458a5a25a8fdbd348f683431e2
Author: Jean-Michel Vedrine <vedrine@vedrine.org>
Date:   Sun, 28 Dec 2014 01:15:51 +0800
Tag:    v2.8.4

MDL-48709 mod_lesson: subclusters are not working