Revert "Revert "Display the exceptions in the viewer.""

This reverts commit 5afffb003ab7294f2c27d319e7527a7751c090d6.
ws
Catch exception. Fixes displaying iTip viewer for non-recurring events.
Move exceptions to end of page.
Another place to revert for Bug: 13400
Don't show exceptions in the iTip viewer that are in the past.