Author: Gerard (Gerry) Caulfield
MDL-30935_in_lti_change_role_from_instructor_to_teacher
http://git.moodle.org/gw?p=moodle.git;a=commit;h=72ed614c74382f03dc3504159568033b6a3068b8
http://github.com/moodle/moodle/commit/72ed614c74382f03dc3504159568033b6a3068b8
+ 2.3 en [allowinstructorcustom,mod_lti]
+ 2.3 en [delegate,mod_lti]
+ 2.3 en [show_in_course_help,mod_lti]