Author: Raymond Wijaya
MDL-34794: Add reset course feature in mod_assign (new assignment (2.3))
http://git.moodle.org/gw?p=moodle.git;a=commit;h=72429a10dac3d65cfa2d7c5923038de3e43ccac9
http://github.com/moodle/moodle/commit/72429a10dac3d65cfa2d7c5923038de3e43ccac9
+ 2.4 en [deleteallsubmissions,mod_assign]