Author: Stephen Bourget
MDL-55157 mod_feedback: Course reset should update dates
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ad097b6fbd15b0189d6590f1fade2ad3cb7e0f6a
http://github.com/moodle/moodle/commit/ad097b6fbd15b0189d6590f1fade2ad3cb7e0f6a
+ 3.0 en [calendarend,mod_feedback]
+ 3.0 en [calendarstart,mod_feedback]