Author: Petr Skoda
MDL-27233 allow adding of default role to restorers
http://git.moodle.org/gw?p=moodle.git;a=commit;h=73d000f38995735735e71f92974348530a8fb78d
http://github.com/moodle/moodle/commit/73d000f38995735735e71f92974348530a8fb78d
+ 2.2 en [restorernewroleid,core_admin]
+ 2.2 en [restorernewroleid_help,core_admin]