Author: Mark Nelson
MDL-42201 backup: introduced new automatic backup state
http://git.moodle.org/gw?p=moodle.git;a=commit;h=36cfbfe841983380ae726b51606f762dae248540
http://github.com/moodle/moodle/commit/36cfbfe841983380ae726b51606f762dae248540
+ 2.4 en [backupnotyetrun,core]