#4589 [HHQ-4536] Clicking add (+ icon) for Add content to this col

[Hyperic Team]

http://jira.hyperic.com/browse/HHQ-4536
If a user doesn't select a portlet from the drop down and just clicks the add/plus icon then "bad" portlet is added. The result is

The requested resource (/portal/bad) is not available

gets displayed where the porlet should be. No remove/X icon available to remove it.