Author: Frederic Massart
MDL-28346 Backup: Added new status 'warning' for backup result
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b3ab3bd054abef87cd0c1f2cd36bd95685306f98
http://github.com/moodle/moodle/commit/b3ab3bd054abef87cd0c1f2cd36bd95685306f98
+ 2.2 en [warning,core]