Author: Charles Fulton
MDL-26243 calendar: display correct number of repeated events
http://git.moodle.org/gw?p=moodle.git;a=commit;h=104ed36274b4af9b12225b0124f02c8a4aa350f6
http://github.com/moodle/moodle/commit/104ed36274b4af9b12225b0124f02c8a4aa350f6
+ 2.2 en [repeateditall,core_calendar]