#1036 [HHQ-1641] Allow admins to configure looping escalations

[Hyperic Team]

http://jira.hyperic.com/browse/HHQ-1641
In the case where the end of an escalation scheme is reached and the alert condition still exists, HQ currently fires a new alert and essentially starts the escalation over. This has a negative side effect of cluttering the alert center with several unfixed alerts for the same "event".

Admins should have the option of either configuring the escalation scheme to loop or to add a step in the scheme which causes it to loop. This would have the same effect notification-wise as the current alert implementation, but would not cause HQ to fire a new alert. This would make it much easier for admins to review their alert history and current alerts in the alert center.

We may want to review this for possible change to the default alert behavior in HQ.