Git commits in Moodle 2.9.3 by Tim Lock

commit e81c36413eb3dac59d1eeb836a6f71ca93005e75
Author: Tim Lock <tim.lock@netspot.com.au>
Date:   Thu, 17 Sep 2015 09:30:08 +0800
Tag:    v2.9.3

MDL-51440 gradeimport_direct: fix config require statement


commit 3fb95da969bef94ab113fff8ff469a64e1daf16a
Author: Tim Lock <tim.lock@netspot.com.au>
Date:   Thu, 20 Aug 2015 06:08:14 +0800
Tag:    v2.9.3

MDL-46710 mod_lti: fix logging and completion tracking in new windows