Author: John Okely
MDL-56646 assign: Add ability to fix errant grades
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7323c473cc3b0334a384766cb4361284eaaa1dff
http://github.com/moodle/moodle/commit/7323c473cc3b0334a384766cb4361284eaaa1dff
+ 3.4 en [fixrescalednullgrades,mod_assign]
+ 3.4 en [fixrescalednullgradesconfirm,mod_assign]
+ 3.4 en [fixrescalednullgradesdone,mod_assign]