Author: Mihail Geshoski
MDL-65115 repository: Prevent unzipping if it will exceed allowed quota
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b1157ac0054138d02fd5ed57fecc4a2e07a24b71
http://github.com/moodle/moodle/commit/b1157ac0054138d02fd5ed57fecc4a2e07a24b71
+ 3.7 en [cannotunzipcontentunreadable,core_repository]
+ 3.7 en [cannotunzipquotaexceeded,core_repository]