Author: Jonathan Harker
MDL-16660: WIP - fixes as per review
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4c349ad7ba406ecd84e07a8a6acb3e7314a7ab3c
http://github.com/moodle/moodle/commit/4c349ad7ba406ecd84e07a8a6acb3e7314a7ab3c
+ 2.4 en [colcalendar,core_calendar]
+ 2.4 en [collastupdated,core_calendar]
+ 2.4 en [colpoll,core_calendar]
+ 2.4 en [colactions,core_calendar]
+ 2.4 en [cronupdate,core_calendar]
+ 2.4 en [cronupdatefinished,core_calendar]
+ 2.4 en [cronupdatesub,core_calendar]
+ 2.4 en [erroraddingevent,core_calendar]
+ 2.4 en [eventsdeleted,core_calendar]
+ 2.4 en [eventsimported,core_calendar]
+ 2.4 en [eventsupdated,core_calendar]
+ 2.4 en [importcalendarheading,core_calendar]
+ 2.4 en [importfrominstructions,core_calendar]
+ 2.4 en [notitle,core_calendar]
+ 2.4 en [nocalendarsubscriptions,core_calendar]