Author: Simey Lameze
MDL-71775 block_calendar_month: add footer options
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f58750c2a5856f0a09d17cf47ce648c064905d20
http://github.com/moodle/moodle/commit/f58750c2a5856f0a09d17cf47ce648c064905d20
+ 4.0 en [fullcalendar,core_calendar]