Description of problem:
The History tab shows when an item is "Published Deployed" but does 
not capture the opposite event, when the item expires.

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Publish an item using a lifecycle which will expire.
2. For example item "VENUS", using lifecycle "Deploy now , Expire in 
1 hour and 20 minutes"
3.
  
Actual results:
History records "Published Deployed" but no record of it unpublishing.

Expected results:
History records an additional event 1 hour and 20 minutes later when 
the item expires.

Additional info: