(feat) applied all changes as a patch coming from PR #180

OpenChange/MAPIStoreCalendarMessage.m

@@ -197,7 +197,6 @@ static Class NSArrayK, MAPIStoreAppointmentWrapperK;
         = [MAPIStoreAppointmentWrapper wrapperWithICalEvent: masterEvent
                                                     andUser: [userContext sogoUser]
                                              andSenderEmail: nil
-                                                 inTimeZone: [userContext timeZone]
                                          withConnectionInfo: [context connectionInfo]];
       [self addProxy: appointmentWrapper];
     }