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=e4d9eff64019caa43601b43582e09ae7d67bdb8f
http://github.com/moodle/moodle/commit/e4d9eff64019caa43601b43582e09ae7d67bdb8f
+ 3.5 en [errorroleshortnametoolong,core_role]