Git commits in Moodle 3.3.3 by Matt Clarkson

commit d2d9e5a8648cbe1a661434c0c0e3877aaa43e3ab
Author: Matt Clarkson <mattc@catalyst.net.nz>
Date:   Wed, 13 Sep 2017 08:50:29 +0800
Tag:    v3.3.3

MDL-60105 search: Fix fatal error


commit 3ee0495c62e067f4a0989057750db09511fc79cc
Author: Matt Clarkson <mattc@catalyst.net.nz>
Date:   Wed, 13 Sep 2017 08:40:53 +0800
Tag:    v3.3.3

MDL-60105 mod_folder: Set timemodified on change