Author: andyjdavis
enrol MDL-25718 added ability to recover grades when enrolling users
http://git.moodle.org/gw?p=moodle.git;a=commit;h=692134ecd46744135625748f296dbe6b68d4ff94
http://github.com/moodle/moodle/commit/692134ecd46744135625748f296dbe6b68d4ff94
+ 2.0 en [recovergrades,core_enrol]