Author: Matthew Hilton
MDL-80300 mod_quiz: Add override manager class
http://git.moodle.org/gw?p=moodle.git;a=commit;h=2c6a746578fc08d50347f4a66ac4d86c3649284b
http://github.com/moodle/moodle/commit/2c6a746578fc08d50347f4a66ac4d86c3649284b
+ 4.4 en [closebeforeopen,mod_quiz]
+ 4.4 en [overridecannotchange,mod_quiz]
+ 4.4 en [overridecannotsetbothgroupanduser,mod_quiz]
+ 4.4 en [overrideinvalidattempts,mod_quiz]
+ 4.4 en [overrideinvalidexistingid,mod_quiz]
+ 4.4 en [overrideinvalidgroup,mod_quiz]
+ 4.4 en [overrideinvalidquiz,mod_quiz]
+ 4.4 en [overrideinvalidtimelimit,mod_quiz]
+ 4.4 en [overrideinvaliduser,mod_quiz]
+ 4.4 en [overridemissingdelete,mod_quiz]
+ 4.4 en [overridemultiplerecordsexist,mod_quiz]
+ 4.4 en [overridemustsetuserorgroup,mod_quiz]