Please describe the problem:
Meeting updates or changes that are accepted in Outlook Web do not show up in
Evolution.  A stale meeting remains on Evolution calendar, and I'm unable to
change or remove it.  Evolution seems to lose track of it.

Steps to reproduce:
1. Co-worker creates a meeting in Outlook, invites me.
2. I accept the meeting from Evolution.
3. Co-worker sends an update from Outlook, changing the date/time of the meeting.
4. I accept the change, however this time I accept it from Outlook Web.

Actual results:
The original meeting date/time remains on my Evolution calendar.  I'm not able
to delete the "stale" meeting from Evolution.  However, the updated meeting
shows up correctly in Outlook Web.  

Expected results:
Meeting updates should follow both Outlook Web and Evolution.

Does this happen every time?
I can easily reproduce this problem.

Other information: