event: add recurrence property & has-recurrence function
Recurrence property of the event enables us to add recurrences to it in the future. It is the first step in that direction. https://bugzilla.gnome.org/show_bug.cgi?id=782755
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4e262f6d
Recurrence property of the event enables us to add recurrences to it in the future. It is the first step in that direction. https://bugzilla.gnome.org/show_bug.cgi?id=782755