Author: Dan Poltawski
MDL-12403 backup: configure question bank in automated backups
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6507aaeaff5a8c9c7ab862e8bba8035c78db2c2d
http://github.com/moodle/moodle/commit/6507aaeaff5a8c9c7ab862e8bba8035c78db2c2d
+ 2.6 en [configgeneralquestionbank,core_backup]
+ 2.6 en [generalquestionbank,core_backup]