Author: John Okely
MDL-53832 enrol_lti: Add language strings and renderers
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7edf96e265de414397c0ecd3eca7f6039f5cb315
http://github.com/moodle/moodle/commit/7edf96e265de414397c0ecd3eca7f6039f5cb315
+ 3.2 en [failedregistration,enrol_lti]
+ 3.2 en [successfulregistration,enrol_lti]