What’s new in 5.2

New features:
+ Invite people with event.
+ Response for invitation.
+ Background badge refresh.
+ Adjust event search period.

Bug fixed:
+ Several bugs relating with AwesomeShare.
+ Crash when removing subitems in ToDo.
+ Adjust layout of recurrence view in Italian.
+ Change URL for “enable google multiple calendar”.
+ Display reminders in Japanese calendar.
+ Turn off recurrence with all-day reminder.
+ Crash when using iCloud note sync. with iOS 7.