Author: Mihail Geshoski
MDL-80750 mod_assign: Move 'notify students' option into sticky footer
http://git.moodle.org/gw?p=moodle.git;a=commit;h=431e7961a86631a5bb0e8fee893df5a395b79192
http://github.com/moodle/moodle/commit/431e7961a86631a5bb0e8fee893df5a395b79192
+ 4.5 en [notifystudents,mod_assign]