Author: Mark Nelson
MDL-61224 core_role: prevent short name from exceeding 100 chars
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f393faa86c5c03c18583d95665d8e10b5ed2b8e7
http://github.com/moodle/moodle/commit/f393faa86c5c03c18583d95665d8e10b5ed2b8e7
+ 3.4 en [errorroleshortnametoolong,core_role]