Author: Mark Nielsen
MDL-44902: Update admin settings support for ltisource plugins
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e9033d11e17a4ad1c33107f4e5f4ab81c1456d04
http://github.com/moodle/moodle/commit/e9033d11e17a4ad1c33107f4e5f4ab81c1456d04
+ 2.8 en [ltisettings,mod_lti]