Started recurrence conversion
Merge origin/FTR-40_CALEVT into FTR-40_CALEVT
Merge origin/FTR-40_CALEVT into FTR-40_CALEVT
Merge origin/FTR-40_CALEVT into FTR-40_CALEVT
Merge origin/FTR-40_CALEVT into FTR-40_CALEVT
ical -> muikku recurrence interpretation
Merge origin/FTR-40_CALEVT into FTR-40_CALEVT
ical -> muikku recurrence interpretation
** Advanced recurrence options
** Implemented advanced recurrence options