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=4821f14caadf345d5773ddf8653a2f513d520694
http://github.com/moodle/moodle/commit/4821f14caadf345d5773ddf8653a2f513d520694
+ 2.2 en [allowinstructorcustom,mod_lti]
+ 2.2 en [delegate,mod_lti]
+ 2.2 en [show_in_course_help,mod_lti]