Author: Rossiani Wijaya
MDL-30481 Advanced upload assignment: Fixed assignment available date string to appropriately identify past or future availability
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6fe4e3c02bf8b2e93adc67cb1229675874b49aae
http://github.com/moodle/moodle/commit/6fe4e3c02bf8b2e93adc67cb1229675874b49aae
+ 2.3 en [closedassignment,mod_assignment]
+ 2.3 en [futureaassignment,mod_assignment]