Author: Aparup Banerjee
assignment MDL-24694 added time of update to assignment updates email notification
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6a41c6fe3ac20df0e6503bc20e20e1221021eee7
http://github.com/moodle/moodle/commit/6a41c6fe3ac20df0e6503bc20e20e1221021eee7
+ 2.0 en [emailteachermail,mod_assignment]
+ 2.0 en [emailteachermailhtml,mod_assignment]