Author: John Okely
MDL-56646 mod_assign: Improve grade fix strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8812040612f1b978ea61c8a8fb103a24fee2b4bd
http://github.com/moodle/moodle/commit/8812040612f1b978ea61c8a8fb103a24fee2b4bd
+ 3.4 en [fixrescalednullgrades,mod_assign]
+ 3.4 en [fixrescalednullgradesconfirm,mod_assign]